Aptitude and Reasoning Questions

Q:

The average marks of 56 students is shown as 60. It includes a wrong entry of 92 marks instead of 29 marks. The correct average is _____ .

A) 58.875 marks B) 61.125 marks
C) 63.375 marks D) 56.625 marks
 
Answer & Explanation Answer: A) 58.875 marks

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Q:

What is the value of ( 1/3 ­- cot60°) ?

A) (2­-√3)/2√3 B) (√2-­1)/√2
C) (1­-√3)/3 D) (√3­-4)/2√3
 
Answer & Explanation Answer: C) (1­-√3)/3

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Q:

In a certain code language, "RUMOUR" is written as "MURRUO". How is "RACKET" written in that code language?

A) TEKCAR B) CARKET
C) CARTEK D) TEKCAR
 
Answer & Explanation Answer: C) CARTEK

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Q:

There is a 4% increase in volume when a liquid freezes to its solid state. The percentage decrease when solid melts to liquid again, is

A) 3 3/13% B) 4%
C) 4 1/13%  D) 3 11/13%
 
Answer & Explanation Answer: D) 3 11/13%

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Q:

A's salary is 50% more than that of B. Then B's salary is less than that of A by

A) 50% B) 44%
C) 33 1/3% D) 46 1/2%
 
Answer & Explanation Answer: C) 33 1/3%

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Q:

On decreasing the price of a fan by 40%, its sales increases by 50%. What will be the percentage increase or decrease in its revenue?

A) 15% increase B) 15% decrease
C) 10% decrease D) 10% increase
 
Answer & Explanation Answer: C) 10% decrease

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Q:

If x + (1/x) = 2, then what is the value of x21 + (1/x1331)?

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: C) 2

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Q:

If x/y = 4/9, then what is the value of (7x2  19xy + 11y2)/y2 ?

A) 59/81 B) 100/27
C) 319/81 D) 913/81
 
Answer & Explanation Answer: C) 319/81

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