Aptitude and Reasoning Questions

Q:

If x - y = -6 and x + y = 16, then x2- y2 is?

A) 96 B) -96
C) 22 D) -22
 
Answer & Explanation Answer: B) -96

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Q:

If 3x - 10 = -(2x + 5), then the numerical value of (x - 4)3 is

A) 27 B) 125
C) -125 D) -27
 
Answer & Explanation Answer: D) -27

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Q:

What is the average of all numbers between 100 and 200 which are divisible by 13?

A) 147.5 B) 145.5
C) 143.5 D) 149.5
 
Answer & Explanation Answer: D) 149.5

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Q:

What is the difference (in Rs) between the compound interests on Rs. 4000 for 1 year at 12% per annum compounded yearly and half-yearly?

A) 14.4 B) 12.4
C) 10.4 D) 16.4
 
Answer & Explanation Answer: A) 14.4

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Q:

If Sec θ = 5/3, then what is the value of Cosec θ?

A) 0.8 B) 1.25
C) 4/3 D) 3/4
 
Answer & Explanation Answer: B) 1.25

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Q:

Rakesh goes on a trip on his motor­cycle and rides for 368 kms. If he rides for 5 hours at a speed of 49 km/hr, at what speed he travels for the remaining 3 hours of the journey?

A) 58 km/hr B) 41 km/hr
C) 54 km/hr D) 46 km/hr
 
Answer & Explanation Answer: B) 41 km/hr

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Q:

If a + b + c = 11 and ab + bc + ca = 17, then what is the value of a3 + b3 + c3  3abc?

A) 121 B) 168
C) 300 D) 770
 
Answer & Explanation Answer: D) 770

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Q:

If x = 1 – y and x2 = 2  y2, then what is the value of xy?

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

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