Quantitative Aptitude - Arithmetic Ability Questions

Q:

Determine the largest 4 digit number which is a perfect square.

A) 9999 B) 9702
C) 9604 D) 9801
 
Answer & Explanation Answer: D) 9801

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Filed Under: Problems on Numbers
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Q:

Find the number of prime factor of 20790.

A) 7 B) 9
C) 11 D) 13
 
Answer & Explanation Answer: A) 7

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Q:

Some masons promised to do a work in 10 days but 8 of them were absent and remaining did the work in 18 days. What was the original number of masons?

 

A) 10 B) 21
C) 15 D) 18
 
Answer & Explanation Answer: D) 18

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Filed Under: Time and Work
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Q:

Find the missing digit if it has 11 and 13 as factors?

A) 2 B) 6
C) 8 D) 4
 
Answer & Explanation Answer: D) 4

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Q:

Which among the following is true for the given numbers?

A) 3/8 > 19/73 < 29/47 < 17/39 B) 19/73 < 3/8 < 17/39 < 29/47
C) 19/73 < 3/8 < 29/47 < 17/39 D) 19/73 < 29/47 < 3/8 < 17/39
 
Answer & Explanation Answer: B) 19/73 < 3/8 < 17/39 < 29/47

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Filed Under: Decimal Fractions
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Q:

Convert binary 10110 to decimal.

A) 22 B) 20
C) 18 D) 16
 
Answer & Explanation Answer: A) 22

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Q:

What is the equation of the line if its slope is 4/3 and it passes through the point (-7 , 2)?

A) 4x - 3y = -22 B) 4x + 3y = -34
C) 4x + 3y = -22 D) 4x - 3y = -34
 
Answer & Explanation Answer: D) 4x - 3y = -34

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Filed Under: Simplification
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Q:

In ΔPQR measure of angle Q is 90°. If tanP = 4/3, and PQ = 1.5cm, then what is the length (in cm) of side PR?

A) 2 B) 2.5
C) 3 D) 4.8
 
Answer & Explanation Answer: B) 2.5

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