Quantitative Aptitude - Arithmetic Ability Questions

Q:

A regular square pyramid has side of its base 20 cm and height 45 cm is melted and recast into regular triangular pyramids of equilateral base of side 10 cm and height 10√3 cm. What are the total numbers of regular triangular pyramid?

A) 24 B) 20
C) 27 D) 28
 
Answer & Explanation Answer: A) 24

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Filed Under: Volume and Surface Area
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Q:

A certain sum of money becomes double of itself in 15 years at a rate of simple interest. In how many years will it become 5 times of itself at the same rate of simple interest

A) 45 B) 37.5
C) 75 D) 60
 
Answer & Explanation Answer: D) 60

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Filed Under: Simple Interest

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Q:

Find the greatest four digit number when divided by 8, 12, 16 leaves 2 as remainder in every case?

A) 9984 B) 9985
C) 9986 D) 9987
 
Answer & Explanation Answer: C) 9986

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

What will be the maximum power of 8 that exactly divides 25!?

A) 6 B) 7
C) 8 D) 9
 
Answer & Explanation Answer: B) 7

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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

Select the odd number from the given alternatives.

A) 75 B) 65
C) 82 D) 85
 
Answer & Explanation Answer: C) 82

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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Q:

ΔABC is right angled at B. If m∠C = 60°, then find the value of (cotA - 1/2).

A) -1/√3 B) (3-√2)/3√2
C) (2√3-1)/2 D) (√2-√3)/√6
 
Answer & Explanation Answer: C) (2√3-1)/2

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Filed Under: Simplification
Exam Prep: Bank Exams

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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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Filed Under: Numbers
Exam Prep: Bank Exams

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Q:

If tanA = x, then x is

A) √(cosec2A + 1) B) √(sec2A + 1)
C) √(cosec2A - 1) D) √(sec2A - 1)
 
Answer & Explanation Answer: D) √(sec2A - 1)

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Filed Under: Simplification
Exam Prep: Bank Exams

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