Aptitude and Reasoning Questions

Q:

What is the mean of the first five Triangular Numbers?

A) 8 B) 7
C) 6 D) 5
 
Answer & Explanation Answer: B) 7

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Q:

sinA/(1 + cos A) is equal to

A) (cosecA -­ cotA) B) (cosecA + cotA)
C) √[(cosecA ­- cotA)] D) √[(cosecA + cotA)]
 
Answer & Explanation Answer: A) (cosecA -­ cotA)

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Q:

The average revenues of 9 consecutive years of a company is Rs 65 lakhs. If the average of first 5 years is Rs 60 lakhs and that of last 5 years is Rs 72 lakhs, find the revenue for the 5th year.

A) Rs 77 lakhs B) Rs 75 lakhs
C) Rs 73 lakhs D) Rs 71 lakhs
 
Answer & Explanation Answer: B) Rs 75 lakhs

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Q:

A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series.

 

64, 100, 169, 289, ?

 

A) 484 B) 444
C) 404 D) 468
 
Answer & Explanation Answer: A) 484

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Q:

If 2x+ 4(x - 3) < -2 - x < 2x - 1, then find the value of x.

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

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Q:

If a+1b = 1 and b+1c = 1 then c+1a = ?

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

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Q:

A businessman imported Laptops, worth Rs 210000, Mobile phones worth Rs 100000 and Television sets worth Rs 150000. He had to pay 10% duty on laptops, 8% on Phones and 5% on Television sets as a special case. How much total duty (in Rupees) he had to pay on all items as per above details?

A) 36500 B) 37000
C) 37250 D) 37500
 
Answer & Explanation Answer: A) 36500

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Q:

If sec2θ+tan2θ=3, then sec4θ-tan4θ =

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

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