Aptitude and Reasoning Questions

Q:

ΔXYZ is right angled at Y. If m∠Z = 60°, then Cosec X =

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

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Q:

In a certain code language, 'x' represents '+', '÷' represents 'x', '-' represents '÷' and '+' represents '-'. Find out the answer to the following question.
 
15 x 4 ÷ 35 - 70 + 16 = ?

A) 1 B) 15
C) 19 D) 17
 
Answer & Explanation Answer: A) 1

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Q:

The ratio of present ages of P and Q is 5 : 8. Three years later their ages will be in ratio 8 : 11. What is the present age (in years) of Q?

A) 5 B) 11
C) 14 D) 8
 
Answer & Explanation Answer: D) 8

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Q:

The area of an equilateral triangle is 9√3 sq cm, find height of the triangle?

A) 6 cm B) 6√3 cm
C) 3√3 cm D) 9 cm
 
Answer & Explanation Answer: C) 3√3 cm

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Q:

The average of 100 items was found to be 30 . If at the time of calculation , two items were wrongly taken as 32 and 12 instead of 23 and 11 , then the correct average is

A) 29.8 B) 29
C) 29.9 D) 29.5
 
Answer & Explanation Answer: C) 29.9

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Q:

What is the value of (2/3 +tan45° ) ?

A) (1+√6)/√3 B) (2+√3)/√3
C) 4/√3 D) √3+2
 
Answer & Explanation Answer: B) (2+√3)/√3

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Q:

Compound interest on a certain sum for 2 years at the rate of 11% per annum is Rs 1160.5. What will be the simple interest (in Rs) for the same
amount at the same rate of interest for 2 years?

 

A) 9000 B) 1000
C) 1100 D) 1050
 
Answer & Explanation Answer: C) 1100

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Q:

If 2cosec2A = x, then the value of x is

A) 1/(1 - cosecA) - 1/(1 + cosecA) B) 1/(1 + sinA) + 1/(1 - tanA)
C) 1/(1 + cosA) + 1/(1 - cosA) D) 1/(1 - tanA) - 1/(1 + sinA)
 
Answer & Explanation Answer: C) 1/(1 + cosA) + 1/(1 - cosA)

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