ISRO Scientist or Engineer Civil 2013

ISRO Scientist or Engineer Civil 2013 - Question 1

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A cohesive soil yields a maximum dry density of $$18kN/m^3$$ during a standard proctor compaction test. If the specific gravity is 2.65, what would be its void ratio? (Adopt unit of water as $$10kKN/m^3$$)

A

0.5523

B

0.4722

C

0.7121

D

0.5835

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 2

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A footing $$2m \times 1m$$ exerts a uniform pressure of $$150kN/m^2$$ on the soil. Assuming a load dispersion of 2 vertical to 1 horizontal, the average vertical stress in $$(kN/m^2)$$ at 1.0m below the footing is

A

50

B

75

C

80

D

100

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 3

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Match List-I with List-ll and select the correct answer using the code given below the lists :

A

A-1, B-2, C-3, D-4

B

A-3, B-4, C-2, D-1

C

A-1, B-2, C-4, D-3

D

A-3, B-2, C-4, D-1

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 4

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The standard size of brick is

A

$$20cm \times 10cm \times 10cm$$

B

$$19cm \times 9cm \times 9cm$$

C

$$18cm \times 9cm \times 9cm$$

D

$$18cm \times 10cm \times 10cm$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 5

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The velocity of flow of water in a pipe of 150 mm dia is 0.3m/sec, a diaphragm with a central hole 80mm in diameter is placed in the pipe obstructing the flow. With coefficient of contraction $$C_c = 0.60, the loss of head from Vena Contracta to a point downstream will be

A

0.1083m

B

0.2250m

C

1.2054m

D

0.8250m

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 6

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If the depletion of oxygen is found to be 5 ppm after incubating a 2.5% solution of sewage sample for 5 days at $$20^\circ C$$, B.O.D of the sewage is

A

50 ppm

B

100 ppm

C

150 ppm

D

200 ppm

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 7

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A trapezoidal section of an open channel has side slope 2H:1V. If bottom width is 'b’ and depth ‘d’, the relation between b & d for most economical trapezoidal section of the channel is:

A

b = 0.472 d

B

b/d = 0.5

C

$$b^2 = 0.3 d^2$$

D

$$d = \sqrt b$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 8

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If the difference in elevation of an edge of the pavement 9m wide and its crown is 15 cm, the camber of the pavement is

A

1 in 60

B

1 in 45

C

1 in 30

D

1 in 15

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 9

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The scour depth D of a river during flood, may be calculated from the Lacey’s equation

A

$$D = 0.47 \left(\frac {Q}{f}\right)^{\frac{1}{2}}$$

B

$$D = 0.47 \left(\frac {Q}{f}\right)$$

C

$$D = 0.47 \left(\frac {Q}{f}\right)^{\frac{1}{4}}$$

D

$$D = 0.47 \left(\frac {Q}{f}\right)^{\frac{1}{3}}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 10

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The Glycerine is flowing at $$25^\circ C$$ in a pipe of diameter 150mm with a velocity of 3.6m/s. The flow is

A

Laminar

B

Turbulent

C

Critical

D

Rectilinear

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 11

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A concrete column $$200 \times 200 mm$$ in cross-section is reinforced with steel bars of $$1200 mm^2$$, total cross-sectional area. Calculate the safe load for the column if permissible stress in concrete is $$5 N/mm^2$$ and $$E_s$$ is $$15 E_c$$

A

264 kN

B

274 kN

C

284 kN

D

294 kN

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 12

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For design of Flexure members, the strain in the reinforcing bars under tension at ultimate state as per IS 456-2000 shall not be less than

A

$$\frac {f_y}{1}.15E$$

B

$$\frac {f_y}{1}.15E_s + 0.002$$

C

$$\frac {f_y}{E_s}$$

D

$$\frac {f_y}{E_s} + 0.002$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 13

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A soil has liquid limit of 35, plastic limit of 20 and moisture content 25%. What will be its liquidity index and plasticity index

A

0.67, 15

B

0.33, 15

C

0.67, 25

D

0.33, 20

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 14

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If the moment of inertia of a section about its axis is I and its effective sectional area is A, its radius of gyration r about the axis is

A

$$r = \frac{I}{A}$$

B

$$r = \frac{\sqrt I}{A}$$

C

$$r = \frac{\sqrt[3]{I}}{A}$$

D

$$r = \frac{\sqrt A}{I}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 15

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A uniform cantilever beam has a span of 2m and carries a point load of 6kN at free end. The magnitude of moment to be applied at free end for zero vertical deflection at that point is (neglect self-wt. of the beam)

A

5 kN.m

B

10 kN.m

C

11 kN.m

D

8 kN.m

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 16

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A bar 40mm in diameter and subjected to a tensile force of 40,000 kgs. Undergoes elongation resulting in decrease in diameter considering the properties of the material as $$E = 2 \times 10^5 N/mm^2$$ and Poisson’s ratio $$\upsilon$$ as 0.3, the modulus ofrigidity will be:

A

$$76923.07 N/mm^2$$

B

$$20 \times 10^4 kg/cm^2$$

C

$$56898.50 N/mm^2$$

D

$$3 \times 10^5 kg/cm^2$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 17

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lf the volume ofa liquid weighing 3000 kg is 4 cubic metres, 0.75 is its

A

Specific weight

B

Specific mass

C

Specific gravity

D

Specific volume

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 18

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The height of water level in a tank abovethe centre of a circular hole 2.5 cm in diameter is 50m. The velocity of water flowing through the hole is (neglect friction between jet and wall)

A

20.53 m/sec

B

25.85 m/sec

C

31.32 m/sec

D

40.40 m/sec

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 19

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A simply supported beam is considered as a deep beam if the ratio of effective span to overall depth is less than

A

1

B

2

C

3

D

4

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 20

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In two dimensional stress system, the radius of the Mohr’s circles represents

A

Maximum normal stress

B

Minimum normal stress

C

Minimum shear stress

D

Maximum shear stress

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ISRO Scientist or Engineer Civil 2013 - Question 21

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If 5x + 3y + 7z = 5, 3x + 2by + 2z = 9, 7x + 2y + 10z = 5, be a system of equations, then

A

It has only trivial solution, x = 0, y = 0, z = 0

B

System is consistent and has infinite solution

C

System is consistent and has unique solution

D

System is inconsistent

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 22

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Whatis the angle between the tangents to the curve $$x = t, y = t^2, z = t^3$$ at $$t = \pm1$$

A

$$\cos^{-1} \left(\frac{-3}{7}\right)$$

B

$$\cos^{-1} \left(\frac{1}{7}\right)$$

C

$$\cos^{-1} \left(\frac{3}{7}\right)$$

D

$$\cos^{-1} \left(\frac{-1}{7}\right)$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 23

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What is the Laplace transform of $$e^{-3t}(2 \cos 5t - 3 \sin 5t)$$

A

$$2s + 9/s^2 + 6s + 34$$

B

$$3s - 9/s^2 + 6s + 34$$

C

$$2s - 9/s^2 + 6s + 34$$

D

$$S + 9/s^2 + 6s + 34

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 24

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X is a uniformly distributed random variable that takes values between 0 & 1. The value of $$E \left\{ x ^3\right\}$$ will be

A

0

B

$$\frac {1}{8}$$

C

$$\frac {1}{4}$$

D

$$\frac {1}{2}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 25

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The earth pressure of a soil at rest, is proportional to

A

$$\tan (45^\circ - \phi)$$

B

$$\tan (45^\circ + \phi)$$

C

$$(1 - \sin \phi)$$

D

$$(1 + \sin \phi)$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 26

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The slope of the e-log p curve for a soil mass gives:

A

Coefficient of permeability, k

B

Coefficient of consolidation $$C_v$$

C

Compression index, $$C_c$$

D

Coefficient of volume compressibility $$m_v$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 27

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Stress produced in a bar by a suddenly applied load is _____x_____the one produced by the same load when applied gradually. The value of 'X’is

A

Twice

B

Thrice

C

Same as

D

Half of

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 28

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Two circular mild steel bars A and B of equal lengths have diameters 2 cm and 3 cm respectively. Each is subjected to a tensile load of magnitude T. The ratio of elongations of the bars $$I_A / I_B$$ is

A

$$\frac {2}{3}$$

B

$$\frac {5}{8}$$

C

$$\frac {4}{9}$$

D

$$\frac {2}{5}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 29

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A pipe of $$0.1 m^2$$ cross sectional area suddenly enlarges to $$0.3 m^2$$ cross sectional area. If the discharge of the pipe is $$0.3 m^3 /sec,$$ the head loss is,

A

2/g m of water

B

g/2 m of water

C

1g m of water

D

$$\sqrt g$$ m of water

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 30

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The length of hydraulic jump in rectangular channel is roughly

A

2 to 3 times its height

B

3 to 5 times its height

C

5 to 7 times its height

D

10 to 12 times its height

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 31

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The absolute minimum radius of horizontal curve for a design speed of 60 Kmph is nearly

A

151 m

B

210 m

C

360 m

D

129 m

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 32

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If whole circle bearing of a line is $$120^\circ$$, its reduced bearing is

A

$$S 20^\circ E $$

B

$$S 60^\circ E $$

C

$$N 120^\circ E $$

D

$$N 60^\circ E $$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 33

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If,
A = Cross sectional area
E = Young’s modulus of elasticity
G = Modulus of rigidity
J = Polar moment of inertia.
Then Torsional rigidity is given by,

A

AE

B

GE

C

EI

D

GJ

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 34

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The Muller-Breslau principle in structural analys is is used for,

A

Drawing influence line diagram for any force function

B

Super imposition of load effects

C

Writing virtual work equation

D

Calculating strain energy

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 35

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Minimum stopping distance as per IRC for moving vehicles on road with a design speed of 80 km/hour is

A

80 m

B

100 m

C

120 m

D

150 m

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 36

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The bearing of C from A is N $$30^\circ$$ E and from B, 50 metres east of A, is N $$60^\circ$$ W. The departure of C from A is

A

$$50 m$$

B

$$50 \sqrt 3 m$$

C

$$25 \sqrt 3 m$$

D

$$25 m$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 37

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Which one of the following conditions is valid in case of unconfined compression test in comparison to triaxial test?

A

Minor principal stress = 0

B

Minor principal stress = 0.5 $$\times$$ major principal stress

C

Minor principal stress = major principal stress

D

Major principal stress = 3 $$\times$$ minor principal stress

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 38

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A rod of uniform cross-section A and length L is deformed by $$\delta$$, when subjected to a normal force P. The Young’s Modulus E of the material is,

A

$$E = \frac {P. \delta}{A.L}$$

B

$$E = \frac {A. \delta}{P.L}$$

C

$$E = \frac {P. L}{A.\delta}$$

D

$$E = \frac {A. L}{P.\delta}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 39

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A simply supported beam has an effective span of 16m. What shall be the limiting ratio of span to effective depth as per IS 456-2000?

A

26

B

20

C

12.5

D

15

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 40

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If the depletion of oxygen is found to be 2.5 mg/litre after incubating 2.5 ml of sewage diluted with 250 ml water for 5 days at $$20^\circ C$$, B.O.D of the sewage is

A

50 mg/l

B

100 mg/l

C

200 mg/l

D

250 mg/l

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 41

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The number of bricks per CUM of brickwork in CM is about

A

200 numbers

B

500 numbers

C

700 numbers

D

800 numbers

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 42

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The slope correction for a length of 30m along a gradient of 1 in 20, is

A

3.75 cm

B

0.375 cm

C

37.5 cm

D

2.75 cm

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 43

Report

Both Reynolds and Froude numbers assume Significance in one of following examples:

A

Motion of submarine at large depths

B

Motion of ship in deep seas

C

Cruising of missile in air

D

Droplet formation

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 44

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The flow in open channel is said to be subcritical if the Froude number is

A

Less than 1.0

B

Equal to 1.0

C

Greater than 1.0

D

Zero

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 45

Report

An ideal vertical curveto join two gradients is

A

Cubic

B

Parabolic

C

Elliptical

D

Hyperbolic

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 46

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For the differential equation dy/dx + ay = 0 with y(0) = 1, solution is

A

$$e^{at}$$

B

$$e^{-at}$$

C

$$ae^{-at}$$

D

$$e^{\sqrt -at}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 47

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$$y = cx - c^2$$ is a general solution of the differential equation

A

$$\left(\frac {dy}{dx}\right)^2 - x \left(\frac {dy}{dx}\right) + y = 0$$

B

$$\frac {d^2 y}{dx^2} = 0$$

C

$$\frac {dy}{dx} = c $$

D

$$\frac {d^3 y}{dx^3} = 0$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 48

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The triangle formed by three points
A(1, -2, -3), B(2, -3, -1), C(3, -1, -2) is

A

Isosceles right angled $$\triangle$$

B

Equilateral $$\triangle$$

C

Scalene $$\triangle$$

D

Acute $$\triangle$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 49

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The partial differential equation
$$\frac {5\delta^2z}{\delta x^2} + \frac{6\delta^2 z}{\delta y^2} = xy$$ is

A

Elliptic

B

Parabolic

C

Hyperbolic

D

Sinusoidal

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 50

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If A is a $$3 \times 3$$ matrix and $$|A| = 3, then $$|3A|$$ is

A

9

B

27

C

81

D

243

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 51

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The relationship between void ratio (e) and porosity ratio (n) is:

A

$$n = \frac{1 + e}{1 - e}$$

B

$$n = \frac{1 + n}{1 - e}$$

C

$$n = \frac{e}{1 + e}$$

D

$$e = n(1 + e)$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 52

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If D1 and D2 are depths of water up-stream and down-stream of a hydraulic jump in rectangular channel, the loss of head at the jump is

A

$$\frac {(D_2 - D_1)^3}{D_1 D_2}$$

B

$$\frac {(D_2 - D_1)^3}{2 D_1 D_2}$$

C

$$\frac {(D_2 - D_1)^3}{3 D_1 D_2}$$

D

$$\frac {(D_2 - D_1)^3}{4 D_1 D_2}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 53

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Modular ratio ‘m’ for M25 grade of concreteis

A

18.67

B

13.33

C

10.98

D

None

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 54

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The minimum reinforcement in slabs should not be less than ________ % of the total cross-sectional area when HYSD bars are usedin the either direction,

A

0.10

B

0.12

C

0.15

D

0.18

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 55

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A cantilever beam carries a uniformly distributed total load W over its whole length and a concentrated upward load W at its free end. The net vertical deflection at the free end is

A

Zero

B

$$\frac {5.WL^3}{24 EI}$$ downwards

C

$$\frac {5.WL^3}{24 EI}$$ upwards

D

$$\frac {5.WL^3}{48 EI}$$ downwards

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 56

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As per IS 1893 [Part-I] — 2002, Bangalore falls under which earthquake zone

A

Zone - I

B

Zone - II

C

Zone - III

D

Zone - IV

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 57

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The maximum shear stress in a rectangular beam is __________ times of average shear stress

A

1.15

B

1.25

C

1.5

D

1.75

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 58

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Minimum cement content required for M 35 grade of concrete for very severe exposure condition as per IS 456 - 2000 is _________ kg/m^3.

A

300

B

320

C

340

D

360

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 59

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Permissible deviation from specified dimensions of cross-section of Column & Beams as per IS Standards is -------mm

A

+10 mm

-4 mm

B

+12 mm

-6 mm

C

+14 mm

-8 mm

D

None

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 60

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Soundness of Cement is measured by

A

Vicat Apparatus

B

Le Chatelier Apparatus

C

Rebound Hammer

D

Ulta Sonic Pulse Velocity Apparatus

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 61

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The moment of Inertia of a thin Rod of Mass ‘m’ & length ‘l’, about its axis through its center of gravity & Perpendicular to its length is

A

$$\frac {m l^2}{4}$$

B

$$\frac {m l^2}{6}$$

C

$$\frac {m l^2}{8}$$

D

$$\frac {m l^2}{12}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 62

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The ratio of Static Friction to Dynamic friction is always

A

Equal to 1

B

Less than 1

C

Greater than 1

D

None

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 63

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Laterite is Chemically Classified as

A

Calcareous Rock

B

Argillaceous rock

C

Siliceous rock

D

Metamorphic rock

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 64

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The compressive strength of Granite is

A

$$50 to 70MN / M^2$$

B

$$70 to 130MN / M^$$

C

$$130 to 170 MN / M^2$$

D

$$170 to 200 MN / M^2$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 65

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A first class brick should not absorb water more than ---------- of its own dry weight after 24 hours of immersion in cold water

A

10%

B

15%

C

20%

D

25%

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 66

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For RCC Construction the maximum size of Coarse aggregate is limited to

A

10 mm

B

15 mm

C

20 mm

D

25 mm

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 67

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The propagation of Shear Crack in prestressed concrete member depends on

A

Tensile Reinforcement

B

Compression Reinforcement

C

Shear reinforcement

D

Shape of the Cross-section of beam

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 68

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A doubly Reinforced section is used

A

When the members are subjected to alternate external loads and bending moment in the section reverses

B

When the members are subjected to loading eccentric on either side of the axis

C

When the members are subjected to accidental lateral loads

D

All the above

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 69

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The material having particle size varying from 0.007 mm to 0.06 mm is termed as

A

Silt

B

Clay

C

Sand

D

None of the above

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 70

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In a manufacture of cement, the dry and wet mixture of Calcareous and argillaceous materials are burnt at a temperature of

A

$$900^\circ C to 1000^\circ C$$

B

$$1000^\circ C to 1200^\circ C$$

C

$$1200^\circ C to 1500^\circ C$$

D

$$1500^\circ C to 1600^\circ C$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 71

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A method of differential levelling is used in order to find the differences in elevation between the two points when,

A

They are too far apart

B

There are obstacles between two

C

The differences between them is too great

D

All the above

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 72

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If the depth is kept constant for a beam of uniform strength , then its width will vary in proportion to ---------- , where M is the bending moment

A

M

B

$$\sqrt M$$

C

$$M^2$$

D

$$M^3$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 73

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A lead ball with certain velocity is made to strike a wall, it falls down; but a rubber ball of the same mass and with same velocity strikes the same wall, it rebounds. Select the reason from the following :

A

Both the balls under go an equal change in the momentum

B

The change in momentum suffered by rubber ball is more than the lead ball

C

The change in momentum suffered by rubber bail is less than the lead ball

D

None of the above

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 74

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A large tank open to the Atmosphereis filled with water toa height of 5m from the outlet tap. A tap near the bottom of tank is now opened, and water flows out from the smooth and rounded outlet. Determine the Maximum velocity at the outlet,

A

9.2 m/s

B

9.9 m/s

C

19.8 m/s

D

None

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 75

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The loss of pressure in Venturimeter,

A

Reduces with decrease in cone angle in the outlet cone

B

Reduces with decreasing cone angle in the inlet cone

C

Increases with decreasing cone angle in the outlet cone

D

Increase with decreasing cone angle in the inlet cone

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 76

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Bending equation is

A

$$\frac{M}{I} = \frac{R}{E} = \frac {F}{Y}$$

B

$$\frac{I}{M} = \frac{E}{R} = \frac {Y}{R}$$

C

$$\frac{M}{I} = \frac{E}{R} = \frac {F}{Y}$$

D

$$\frac{M}{I} = \frac{R}{E} = \frac {Y}{F}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 77

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For a prismatic beam of length L & moment of inertia I, the stiffness factor is

A

$$\frac {IE}{L}$$

B

$$\frac {2EI}{L}$$

C

$$\frac {3EI}{L}$$

D

$$\frac {4EI}{L}$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 78

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In case of SHM, the period of oscillation (T) is given by,

A

B

C

D

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 79

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One Newton force is,

A

$$10^3 dynes$$

B

$$10^4 dynes$$

C

$$10^5 dynes$$

D

$$10^6 dynes$$

View Solution

ISRO Scientist or Engineer Civil 2013 - Question 80

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If 2,3,4 are the Eigen values of A, then the Eigen values of 4A will be

A

2, 3, 16

B

2, 12, 4

C

8, 12, 16

D

8, 3, 4

View Solution