SSC CGL Expected Quant Questions 2019
Download SSC CGL Expected Quant Questions 2019 PDF based on previous papers very useful for SSC CGL exams. 20 Expected Quant Questions for SSC exams.
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Question 1: Find the value of
a)
b) 2
c)
d)
Question 2: What is the value of
a) 1
b) 3
c)
d)
Question 3: What is the value of
a)
b)
c)
d)
Question 4: If sin
a)
b)
c)
d) 1
Question 5: What is the value of
a)
b)
c)
d)
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Question 6: In the given figure, what is the value of

a) 600
b) 720
c) 900
d) 1080
Question 7: AB is a tangent to a circle with centre O. If the radius at the circle is 7 cm and the length of AB is 24 cm, the what is the length (in cm.) of OA ?
a) 25
b) 26
c) 28
d) 31
Question 8: In
a) 80
b) 85
c) 90
d) 100
Question 9: A,B and C are the three points on a circle such that
a) 60
b) 90
c) 135
d) 120
Question 10: A circle passing through points Q and R of triangle PQR, cuts the sides PQ and PR at points X and Y respectively. If PQ = PR, then what is the value (in degrees) of
a) 120
b) 150
c) 240
d) 180
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Question 11: If
a) 115
b) 128
c) 124
d) 133
Question 12: If
a) 36
b) 21
c) 9
d) 27
Question 13: If
a) 9
b) 729
c) 81
d) 27
Question 14: If
a) 3
b) 6
c) -3
d) 2
Question 15: If
a)
b) 9
c) 22
d) 6
Question 16: If the ratio of volume of two cubes is 11 : 13, then what is the ratio of the sides of the two cubes ?
a) 11 : 13
b) 121 : 169
c)
d)
Question 17: If the diameter of a sphere is 14 cm., then what is the curved surface area (in
a) 616
b) 1232
c) 2464
d) 576
Question 18: The difference between circumference and the radius of a circle is 111 cm. What is the area (in
a) 469
b) 1386
c) 912
d) 1086
Question 19: Three circles of radius 9 cm are kept touching each other. The string is tightly tied around the three circles. What is the length (in cm.) of the string ?
a)
b)
c)
d)
Question 20: The perimetre of a rhombus in 20 cm and one of the diagonal is 8 cm. What is the area (in
a) 12
b) 24
c) 48
d) 96
Answers & Solutions:
1) Answer (D)
Expression :
=
=
Using,
=
=
=
=
=
=> Ans – (D)
2) Answer (A)
Expression :
=
=
Using,
=
Also,
=
=> Ans – (A)
3) Answer (D)
Expression :
=
=
=
=> Ans – (D)
4) Answer (D)
Given :
=>
=>
Similarly, =>
=>
=
=> Ans – (D)
5) Answer (A)
Expression :
=
=
=
=
=> Ans – (A)
6) Answer (B)
7) Answer (A)
Given : OB is radius of circle = 7 cm and tangent AB = 24 cm
To find : OA = ?
Solution : The radius of a circle intersects the tangent at right angle, =>
Thus in
=>
=>
=>
=>
=> Ans – (A)
8) Answer (D)
Given :
To find :
Solution : In triangle, PQR
=>
=>
=>
Now, since ST divides PQ and PR equally, thus ST is parallel to QR.
=>
=> Ans – (D)
9) Answer (D)
Given :
To find :
Solution : In triangle, ABC
=>
=>
=>
Now, angle subtended by an arc at the centre is double the angle subtended by it at any point on the circle.
=>
=
=> Ans – (D)
10) Answer (D)
Given : PQR is an isosceles triangle, PQ = PR
To find :
Solution : Since,
Now, XY is parallel to QR, and sum of angles on the same side of transversal is supplementary, =>
=>
II method : XYRQ is a cyclic quadrilateral and opposite angles in a cyclic quadrilateral are supplementary.
=> Ans – (D)
11) Answer (B)
Given :
=>
Dividing both sides by
=>
Squaring both sides, we get :
=>
=>
=>
=
Substituting values from equation (i) and (ii),
=
=> Ans – (B)
12) Answer (A)
Given :
Cubing both sides, we get :
=>
=>
=>
=>
=> Ans – (A)
13) Answer (D)
Given :
=>
Dividing both sides by
=>
Cubing both sides,
=>
=>
=> Ans – (D)
14) Answer (A)
Given :
=>
=>
=>
=>
=>
Similarly,
=> Ans – (A)
15) Answer (D)
Expression :
=>
=>
Using,
=>
=>
Also,
Rationalizing the denominator, we get :
=>
=>
=>
Adding equation (i) and (ii),
=> Ans – (D)
16) Answer (D)
Let side of the two cubes be
Ratio of volumes =
=>
=>
=> Ans – (D)
17) Answer (A)
Radius of sphere = 7 cm
Curved surface area =
=
=> Ans – (A)
18) Answer (B)
Let radius of circle =
=>
=>
=>
=>
=
=> Ans – (B)
19) Answer (C)
20) Answer (B)
Given : ABCD is the rhombus whose diagonals bisect at O and the diagonals of a rhombus bisect each other at right angle. BD = 8 cm
=> OB = 4 cm
Perimeter of rhombus = 20 cm
=> BC =
Thus, in
=>
=>
=>
=>
Thus, AC = 6 cm and BD = 8 cm
=
=> Ans – (B)
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