Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the least number which must be subtracted from 18265 to make it a perfect square

A) 30 B) 38
C) 40 D) 45
 
Answer & Explanation Answer: C) 40

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Q:

If sin8 θ + cos8 θ  1 = 0, then what is the value of cos2 θ sin2 θ (If θ ≠ 0 or π/2)?

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

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Q:

If one angle of a triangle is equal to half the sum of the other two equal angles, then the triangle is

A) isosceles B) scalene
C) equilateral D) right-angled
 
Answer & Explanation Answer: C) equilateral

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Q:

Cost price of a watch is Rs 530. If the loss percentage is 24%, then what is the value (in Rs) of loss?

A) 127.2 B) 153.2
C) 139.4 D) 114.2
 
Answer & Explanation Answer: A) 127.2

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Filed Under: Percentage
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Q:

The value of 8(sin6θ + cos6θ) - 12(sin4θ + cos4θ) is equal to

A) 20 B) -20
C) 4 D) -4
 
Answer & Explanation Answer: D) -4

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Q:

The solution set of 4x - 3y = 47 and 3x + y = 32 is

A) {(15, 3)} B) {(4, 12)}
C) {(11, -1)} D) {(12, 3)}
 
Answer & Explanation Answer: C) {(11, -1)}

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Q:

If cos 2π/3c = x, then the value of x is

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

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Q:

The solution set of 4x -­ 3y = 10 and 3x + y = 14 is

A) {(5, 3)} B) {(4, 2)}
C) {(11, ­1)} D) {(2, 3)}
 
Answer & Explanation Answer: B) {(4, 2)}

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