Aptitude and Reasoning Questions

Q:

If a -­ b = 3 and ab =28, then a3 - b3 is

A) 279 B) 387
C) 513 D) 91
 
Answer & Explanation Answer: A) 279

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Q:

Marked price of an item is Rs 900. On purchase of 2 items discount is 16%, on purchase of 5 items discount is 44%. Raksha buys 7 items, what is the effective discount?

A) 10 percent B) 16 percent
C) 36 percent D) 9.6 percent
 
Answer & Explanation Answer: C) 36 percent

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Q:

Two points P and Q are at the distance of x and y (where y > x) respectively from the base of a building and on a straight line. If the angles of elevation of the top of the building from points P and Q are complementary, then what is the height of the building?

A) xy B) √( y/ x)
C) √( x/ y) D) √( xy)
 
Answer & Explanation Answer: D) √( xy)

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Q:

There is a circular garden of radius 21 metres. A path of width 3.5 metres is constructed just outside the garden. What is the area (in metres2) of the path?

A) 50.05 B) 57.56
C) 52.12 D) none
 
Answer & Explanation Answer: D) none

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Q:

Find the odd words/letters/number from the given alternatives.

A) 5,124 B) 7,342
C) 3,26 D) 2,15
 
Answer & Explanation Answer: D) 2,15

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Q:

Find the odd numbers/letters/numbers from the given alternatives.

A) Red B) Brown
C) Green D) Yellow
 
Answer & Explanation Answer: B) Brown

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Q:

ax + 3y = 6 has slope -2/3. What is the value of a?

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

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Q:

If x+1x=5, then the value of x1+x+x2 is

A) 1/5 B) 1/6
C) 5 D) 6
 
Answer & Explanation Answer: B) 1/6

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