Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 8x/3 + [7(5 - 2x/3)]/2 = 1/2 , then what is the value of x?

A) -17 B) 51
C) -51 D) 17
 
Answer & Explanation Answer: C) -51

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Q:

Find the HCF & LCM of 16, 24.

A) 8, 48 B) 4, 12
C) 2, 24 D) 4, 48
 
Answer & Explanation Answer: A) 8, 48

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Q:

If a3+1a3 = 2, then the value of a2+1a?

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: B) 2

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Q:

tan2Asin2A is equal to

A) tan2A - sin2A B) tan2A + sin2A
C) cot2A - sin2A D) cot2A + sin2A
 
Answer & Explanation Answer: A) tan2A - sin2A

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Q:

Reflection of the point (4,-5) in the y-axis is

A) (4,5) B) (-4,-5)
C) (4,-5) D) (-4,5)
 
Answer & Explanation Answer: B) (-4,-5)

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Q:

Which single discount will be equal to two successive discounts of 12% and 5%?

A) 17% B) 8.5%
C) 16.4% D) 15.2%
 
Answer & Explanation Answer: C) 16.4%

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Q:

What is the equation of the line whose y­-intercept is ­3/4 and making an angle of 45° with the positive x-­axis?

A) 4x -­ 4y = 3 B) 4x - 4y = -­3
C) 3x -­ 3y = 4 D) 3x ­- 3y = -­4
 
Answer & Explanation Answer: A) 4x -­ 4y = 3

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Q:

The point at which the perpendicular bisectors of the sides of a triangle intersect is known as _____________________

A) circum-centre B) orthocenter
C) centroid D) in-center
 
Answer & Explanation Answer: A) circum-centre

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