Approximation Questions For Bank Exams PDF:
Download Approximation Questions For Bank Exams PDF. Practice Approximation Questions and answers for Banking exams based on asked questions in previous papers.
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Question 1: What approximate value should come in place of the question mark (?) in the following equation ?
29.38 x 37.05 ÷ ? 7.45 = 100.5
a) 10
b) 13
c) 14.5
d) 1.35
e) 12
Question 2: What approximate value should come in place of the question mark (?) in the following equation ?
695.95 ÷ 29.07 x ? + 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
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Question 4: 46813 + 32298 – 13234 – 31112
a) 34764
b) 34767
c) 134766
d) 34765
e) None of these
Question 5: What is the least number that can be added to 5300 to make it a perfect square?
a) 25
b) 33
c) 29
d) 36
e) None of these
Question 6: 46% of a number is 115. What is 150% of that number ?
a) 370
b) 385
c) 365
d) 360
e) None of these
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Answers & Solutions:
1) 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, $X = \frac{29.38 \times 37.05}{93.05} = 11.69 \approx 12$
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 (D)
46813 + 32298 – 13234 – 31112
79111-44346
=34765
5) Answer (C)
In this question , we should have a better understanding of squares.
Here we know that 70 x 70 = 4900 So in order to reach near about 5300 , we must look at squares of numbers near 70 like 71, 72 , 73
73 x 73 =5329
As we can see that 73 x 73 is the nearest perfect square which require addition of only 29 to make 5300 a perfect square
Hence option C is correct
6) Answer (E)
It is given that 46% of a number is 115.
Lets assume that the number is y
So, $\frac{46}{100}\times{y} = 115$
y= 250
150% of 250 = $\frac{150}{100}\times250 = 375$
As no option is given as 375 hence the correct answer is E
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