Quantitative Aptitude - Arithmetic Ability Questions

Q:

In the following question, select the odd number pair from the given alternatives.

A) 11 – 121 B) 13 – 169
C) 19 – 391 D) 21 – 441
 
Answer & Explanation Answer: C) 19 – 391

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Filed Under: Odd Man Out
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Q:

select the odd word/letters/number/number pair from the given alternatives.

A) 1541 B) 4096
C) 1331 D) 4913
 
Answer & Explanation Answer: B) 4096

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Q:

Δ LMN is right angled at M. If m∠N = 60°, then Tan L =______.

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

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Filed Under: Simplification
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Q:

What is the value of sin ­-300°?

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

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Q:

Given: x -­ 5 ≤ 2x -­ 3 and 2x - ­1/2 ≥ 5x + 2; then x can take which of the following values?

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

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Q:

If α and β are the roots of equation x2   x + 1 = 0, then which equation will have roots α3 and β3?

A) x2 + 2x + 1 = 0 B) x2 – 2x – 1 = 0
C) x2 + 3x – 1 = 0 D) x2 – 3x + 1 = 0
 
Answer & Explanation Answer: A) x2 + 2x + 1 = 0

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Q:

The average weight of Sudesh, Jyothi and Ritu is 89 kg. If the average weight of Sudesh and Jyothi be 98 kg and that of Jyothi and Ritu be 83 kg, then the weight of Jyothi is

A) 58 B) 56
C) 95 D) 66
 
Answer & Explanation Answer: C) 95

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Q:

Two men are on opposite sides of a tower. They measure the angles of elevation of the top of the tower as 30 ̊ and 45 ̊ respectively. If the height of the tower is 50 m, the distance between the two men is (Take √3 = 1.73)

A) 136.5 m B) 50 √3 m
C) 100 √3 m D) 135.5 m
 
Answer & Explanation Answer: A) 136.5 m

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Filed Under: Height and Distance
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