Approximation Questions for SBI PO 2020 PDF
Download SBI PO Approximation Questions & Answers PDF for SBI PO Prelims and Mains exam. Top-15 Very Important SBI PO Questions with solutions for Banking Exams.
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Question 1: 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
Question 2: 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
Question 3: 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 4: 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
Question 5: 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
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Question 6: 21+ 3.9× 2.9 + 8.99 = ?
a) 42
b) 46
c) 44
d) 34
e) 36
Question 7: 22.9889 + 0.002 ÷ ? = 23
a) 23
b) 1
c) 23²
d) 24
e) None of these
Question 8: 5.26% of 95 + 5.88% of 170 = ?
a) 16
b) 15
c) 14
d) 13
e) 17
Question 9: 20% of 200 + 7.14% of 140 = ?
a) 30
b) 40
c) 50
d) 60
e) 70
Question 10: 16.66% of 600 + 9.09% of 110 = ?
a) 110
b) 120
c) 130
d) 140
e) 150
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Question 11: 11.11% of 90 + 8.33% of 120 =?
a) 20
b) 30
c) 40
d) 50
e) 60
Question 12: 5.88% of 85 + 5% of 200 = ?
a) 13
b) 15
c) 16
d) 17
e) 18
Question 13: 12.5% of 64 + 11.11% of 90 = ?
a) 18
b) 19
c) 20
d) 22
e) 24
Question 14: 7.69% of 130 + 6.66% of 150 = ?
a) 20
b) 21
c) 22
d) 23
e) 24
Question 15: 33.33% of 150 + 66.66% of 180 = ?% of 1700
a) 30
b) 25
c) 20
d) 10
e) 15
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Answers & Solutions:
1) 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
2) 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 $X = 15$
3) 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.
4) 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
5) 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, $X = \frac{29.38 \times 37.05}{93.05} = 11.69 \approx 12$
6) Answer (A)
21 + 4 x 3 + 9
= 42
7) Answer (B)
22.9889 + 0.002 ÷ 1
= 22.9889 + 0.002
= 22.9891 ≈ 23
8) Answer (B)
5+10 = 15 (5.26% = 1/19 and 5.88%= 1/17)
9) Answer (C)
40+10 = 50 (7.14% = 1/14)
10) Answer (A)
100+10 = 110 (16.66% = 1/6 and 9.09% = 1/11)
11) Answer (A)
10+10 = 20 (11.11% = 1/9 and 8.33% = 1/12)
12) Answer (B)
5+10 = 15 (5.88% = 1/17 )
13) Answer (A)
8+10 = 18 (12.5% = 1/8 and 11.11% = 1/9)
14) Answer (A)
10+10 = 20 (7.69% = 1/13 and 6.66%=1/15)
15) Answer (D)
As we can see that 33.33% of 150 will be $\frac{1}{3}$ of 150 i.e. 50 and 66.66% of 180 will be $\frac{2}{3}$ of 180 i.e. 120
Hence, sum will be = 170 which will be 10% of 1700.
So answer will be d
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