Quantitative Aptitude - Arithmetic Ability Questions

Q:

Select the odd number from the given alternatives.

A) 42 B) 84
C) 91 D) 71
 
Answer & Explanation Answer: D) 71

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Q:

In a triangle PQR, ∠Q = 90°. If PQ = 12 cm and QR = 5 cm, then what is the radius (in cm) of the circum circle of the triangle?

A) 5 B) 6
C) 6.5 D) 6√2
 
Answer & Explanation Answer: C) 6.5

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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:

If 5x + 5 > 2 + 2x and 5x + 3 ≤ 4x + 5; then x can take which of the following values?

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

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Q:

If √20 + √125 = 15.65, then what is the value of √45 + √5?

A) 6.98 B) 8.94
C) 9.98 D) 11.27
 
Answer & Explanation Answer: B) 8.94

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Q:

Weight of Ayush and Abhishek are in the ratio of 6:11. Abhishek's weight increases by 25% and total weight of Ayush and Abhishek both increases by 40%. If total weight becomes 119 kg, then wat is the weight (in kg) of Ayush after the increment?

A) 45.5 B) 30
C) 50.25 D) 47.75
 
Answer & Explanation Answer: C) 50.25

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Filed Under: Percentage
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Q:

If a + b = 1, then a4 + b4 - a3 - b3 - 2a2b2 + ab is equal to

A) 1 B) 2
C) 4 D) 0
 
Answer & Explanation Answer: D) 0

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Q:

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

A) (-2,-2) B) (-2,2)
C) (2,2) D) (2,-2)
 
Answer & Explanation Answer: C) (2,2)

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Filed Under: Area
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