Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of Cot 45° + Cosec 60°?

A) (√6 + 1)/√3 B) (1 + √3)/2
C) 5/√3 D) (√3 + 2)/√3
 
Answer & Explanation Answer: D) (√3 + 2)/√3

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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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Q:

If 5x - 1 < 3x + 2 and 5x + 5 > 6 - 2x; then x can take which of the following values?

A) 0 B) 1
C) -1 D) 2
 
Answer & Explanation Answer: B) 1

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Q:

What is the equation of the line which has 3/2 and -­4/7 as x and y intercept respectively?

A) 8x ­- 21y = ­-12 B) 8x + 21y = 14
C) 8x -­ 21y = 12 D) 8x + 21y = ­-14
 
Answer & Explanation Answer: C) 8x -­ 21y = 12

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Q:

What is the difference (in Rs) between compound interest (compounded annually) and simple interest for 3 years on a principal of Rs 3000 at the annual rate of 20%?

A) 464 B) 384
C) 356 D) 424
 
Answer & Explanation Answer: B) 384

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Q:

If the standard deviation of a population is 6.5, what would be the population variance?

A) 40.25 B) 42.25
C) 18.25 D) 13
 
Answer & Explanation Answer: B) 42.25

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Q:

Select the odd letters from the given alternatives.

A) IKM B) OQS
C) GEC D) UWY
 
Answer & Explanation Answer: C) GEC

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) Washington B) New York
C) Las Vegas D) Sydney
 
Answer & Explanation Answer: D) Sydney

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