Quantitative Aptitude - Arithmetic Ability Questions

Q:

If x + (1/x) = (√3 + 1)/2, then what is the value of x4 + (1/x4)?

A) (4√3 – 1)/4 B) (4√3 + 1)/2
C) (–4√3 – 1)/4 D) (–4√3 – 1)/2
 
Answer & Explanation Answer: C) (–4√3 – 1)/4

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Q:

Marked price of an article is Rs 520 and selling price is Rs 384.8. What is the discount percentage?

A) 26 B) 24.42
C) 35.13 D) 29
 
Answer & Explanation Answer: A) 26

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Filed Under: Percentage
Exam Prep: Bank Exams

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Q:

Calculate the total numbers of prime factors in the expression (5)11 x (5)7 x (7)5 x (3)2 x (17)2.

 

A) 35 B)  36
C) 37 D) 38
 
Answer & Explanation Answer: D) 38

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Filed Under: Simplification
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Q:

The third proportional of two numbers 9 and 24 is

A) 39 B) 48
C) 72 D) 64
 
Answer & Explanation Answer: D) 64

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Filed Under: Ratios and Proportions
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Q:

The height of the equilateral triangle is 9 cm. What is the radius (in cm) of the circle circumscribing the three vertices?

A) 3 B) 6
C) 9 D) 12
 
Answer & Explanation Answer: B) 6

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Filed Under: Area
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Q:

What is (x-y)3+y-23+z-x33x-yy-zz-x =?

A) 1 B) 0
C) 1/3 D) 3
 
Answer & Explanation Answer: A) 1

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Q:

If A = 400 and B = 600, then A is how much percentage less than B?

A) 50 B) 66.66
C) 33.33 D) 25
 
Answer & Explanation Answer: C) 33.33

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Q:

Mr. Rajesh buys a toy for Rs. 27.50 and sells it for Rs. 28.60. Find the gain %.

A) 5% B) 4%
C) 6% D) 3%
 
Answer & Explanation Answer: B) 4%

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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