Approximation Questions For IBPS RRB PO Set-2 PDF

Download Top-20 IBPS RRB PO Approximation Questions PDF. Approximation questions based on asked questions in previous year exam papers very important for the IBPS RRB PO (Officer Scale-I, II & III) exam.

Download Approximation Questions For IBPS RRB PO Set-2 PDF

35 IBPS RRB PO Mocks @ Rs. 149. Enroll Now

70 IBPS RRB (PO + Clerk) Mocks @ Rs. 199

Take a free mock test for IBPS RRB PO

Download IBPS RRB PO Previous Papers PDF

Question 1: What approximate value should come in place of the question mark (?) in the following questions?
$21 + 68 \div 17 = ? $

a) 25

b) 35

c) 40

d) 10

Question 2: What value should come in place of the question mark (?) in the following questions?
$31 \div 3 \times 15 = ?$

a) 180

b) 140

c) 165

d) 155

Question 3: What approximate value should comein place of the question mark (?) in the following equation?
($\frac{1}{9}\div\frac{1}{9}$ of $\frac{1}{3}$) of $\frac{1}{6}=?$

a) $\frac{1}{6}$

b) $\frac{1}{2}$

c) $\frac{1}{9}$

d) $\frac{1}{3}$

Question 4: What value should come in place of question mark(?) in the following equation?
$360\sqrt?$ + 4500 = 19700 – 9800

a) 395

b) 295

c) 225

d) 215

Question 5: What approximate value should come in place of the question mark (?) in the following question ?
$45.709 \div 11.342 \times 6.667 = ?$

a) 88

b) 46

c) 112

d) 56

e) 27

Question 6: What approximate value should come in place of the question mark (?) in the following question?
$54.786 \div 10.121 \times 4.454 = ?$

a) 84

b) 48

c) 118

d) 58

e) 24

Free Mock Test for IBPS RRB PO

IBPS RRB Clerk Previous Papers

Question 7: What approximate value should come in place of the question mark (?) in the following questions?
$59.786 \div 14.444 \times 8.321 = ?$

a) 49

b) 58

c) 22

d) 66

e) 34

Question 8: What approximate value should come in place of the question mark (?) in the following question?
$4275 \div 496 \times (21)^{2} = ?$

a) 3795

b) 3800

c) 3810

d) 3875

e) 3995

Question 9: What approximate value should come in place of the question mark (?) in the following question? (You are not expected to calculate the exact value)
$9980 \div 49 \times (4.9)^{2} – 1130 = ?$

a) 3800

b) 4500

c) 2600

d) 3000

e) 4080

Question 10: What approximate value should come in place of the question mark (?) in the following equation ?
$695.95\div 29.07 \times ? + 40.25 = 399.99$

a) 14

b) 17

c) 12

d) 16

e) 15

Quantitative Aptitude formulas PDF

520 Banking Mocks – Just Rs. 499

Question 11: What approximate value should come in place of the question mark (?) in the following equation ?
$29.38 \times 37.05 \div ? + 7.45 = 100.5$

a) 10

b) 13

c) 14.5

d) 1.35

e) 12

Question 12: What approximate value should come in place of question mark(?) in the following equation ?
$9876\div 24.96+215.005-?=309.99$

a) 395

b) 295

c) 300

d) 315

e) 310

18000 Free Solved Questions – Banking Study Material

35 IBPS RRB PO Mocks @ Rs. 149. Enroll Now

Answers & Solutions:

1) Answer (A)

By applying BODMAS we have
=$21+(68\div17)$
=21+4
=25

2) Answer (D)

By applying BODMAS we have
$(31/3)\times 15$
=$31\times 5$
=155

3) Answer (B)

($\dfrac{1}{9}\div\dfrac{1}{9}$  of  $\dfrac{1}{3}$) of $\dfrac{1}{6} = (\dfrac{1}{9} \div \dfrac{1}{27}$)  of  $\dfrac{1}{6}$

$= \dfrac{1}{9} \times 27$  of  $\dfrac{1}{6}$

$= 3 \times \dfrac{1}{6} = \dfrac{1}{2}$

4) Answer (C)

$360\sqrt?$ + 4500 = 19700 – 9800

$\Rightarrow 360\sqrt? + 4500 = 9900$

$\Rightarrow 360\sqrt? = 5400$

$\Rightarrow \sqrt? = 15$

$\Rightarrow ? = 15^2$

$\Rightarrow ? = 225$

5) Answer (E)

Expression : $45.709 \div 11.342 \times 6.667 = ?$

= $\frac{44}{11} \times 7$

= $4 \times 7 = 28$

$\approx$ 27

6) Answer (E)

Expression : $54.786 \div 10.121 \times 4.454 = ?$

= $\frac{55}{10} \times 4.5$

= $24.75 \approx 24$

7) Answer (E)

Expression : $59.786 \div 14.444 \times 8.321 = ?$

= $\frac{60}{15} \times 8$

= $4 \times 8$

= $32 \approx 34$

8) Answer (C)

Expression : $4275 \div 496 \times (21)^{2} = ?$

= $\frac{4275 \times 441}{495}$

= 3808.63 $\approx$ 3810

9) Answer (A)

Since an approximate answer is sufficient, you can rewrite the question as $10000 \div 50 \times 5^{2} – 1130$

Following BDMAS rule the result is 3870.

The nearest value is 3800.

Hence Option A is the correct answer.

10) Answer (E)

Let the number to replace the question mark be equal to $X$

Hence, $695.95\div 29.07 \times X + 40.25 = 399.99$

$399.99 \approx 400$ and $695.95 \approx 696$ and $29.07 \approx 29$

So, the expression looks like $696 \div 29 \times X + 40 = 400$
Hence, $24 \times X = 360$ or $X = 15$

11) Answer (E)

Let the number to come in place of the question mark be equal to $X$

So, $29.38 \times 37.05 \div X + 7.45 = 100.5$
Or, $29.38 \times 37.05 \div X = 93.05$
So, $X = \frac{29.38 \times 37.05}{93.05} = 11.69 \approx 12$

12) Answer (C)

Let x be the value of the unknown number.

x= $\frac{9876}{24.96}$ + 215.005 – 309.99

= 395.67 – 94.985 $ = \approx$ 300

IBPS RRB PO Previous Papers (Download PDF)

Download IBPS RRB Free Preparation App