Quantitative Aptitude - Arithmetic Ability Questions

Q:

A can do a piece of work in 10 days, B can do it in 12 days and C can do it in 15 days. In how many days will A, B and C finish it, working all together?

A) 6 days B) 5 1/4 days
C) 4 4/11 days D) 4 days
 
Answer & Explanation Answer: D) 4 days

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

The total surface area of a hemisphere is 4158 cm2. Find its diameter (in cm).

A) 21 B) 84
C) 42 D) 63
 
Answer & Explanation Answer: B) 84

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Filed Under: Volume and Surface Area
Exam Prep: Bank Exams

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Q:

A can complete a work in 20 days and B can complete the same work in 25 days. If both of them work together, then in 3 days what percent of the total work will be completed?

A) 9 B) 12
C) 25 D) 27
 
Answer & Explanation Answer: D) 27

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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Convert binary 1101111 to decimal.

A) 111 B) 101
C) 110 D) 100
 
Answer & Explanation Answer: A) 111

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

When 0.151515.....is converted into a fraction, then the result is

A) 5/33 B) 17/33
C) 9/11 D) 7/33
 
Answer & Explanation Answer: A) 5/33

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Filed Under: Decimal Fractions
Exam Prep: Bank Exams

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Q:

ABC is a right angled triangle. ∠BAC = 90 deg and ∠ACB = 60 deg. What is the ratio of the circum radius of the triangle to the side AB?

A) 1 : 2 B) 1 : √3
C) 2 : √3 D) 2 : 3
 
Answer & Explanation Answer: B) 1 : √3

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Filed Under: Simplification
Exam Prep: Bank Exams

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Q:

If 123 x 356 = 43788, then 1.23 x 0.356 = ?

A) 437.88 B) 4.3788
C) 0.43788 D) 0.043788
 
Answer & Explanation Answer: C) 0.43788

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Q:

If 5x ­- 3(4 ­ x) < 4x -­ 4 < 4x + 2x/3; then the value of x is

A) -7 B) 3
C) 4 D) 1
 
Answer & Explanation Answer: D) 1

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Filed Under: Simplification
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