Aptitude and Reasoning Questions

Q:

A line passing through the origin perpendicularly cuts the line 3x - 2y = 6 at point M. Find M?

A) (18/13, 12/13) B) (18/13, -12/13)
C) (-18/13, -12/13) D) (-18/13, 12/13)
 
Answer & Explanation Answer: B) (18/13, -12/13)

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Q:

What is the area (in sq cm) of a rectangle if its diagonal is 26 cm and one of its sides is 10 cm?

A) 120 B) 240
C) 360 D) 480
 
Answer & Explanation Answer: B) 240

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Q:

The mean of 10 observations is 17. One more observation is included and the new mean becomes 16. The 11th observation is

 

A) 16 B) 8
C) 6 D) 12
 
Answer & Explanation Answer: C) 6

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Q:

If the standard deviation of a population is 6.5, what would be the population variance?

A) 40.25 B) 42.25
C) 18.25 D) 13
 
Answer & Explanation Answer: B) 42.25

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Q:

A train travelling at 76 kmph crosses a 450 m long platform in 27 seconds. What is the length of the train?

A) 110 m B) 120 m
C) 130 m D) 100 m
 
Answer & Explanation Answer: B) 120 m

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Q:

ΔDEF is right angled at E. If secD = 25/7, then what is the value of cosecF ?

A) 7/25 B) 24/7
C) 25/7 D) 7/24
 
Answer & Explanation Answer: C) 25/7

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Q:

If a2+1a2 = 38, then find the value of a-1a?

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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Q:

In the following question, which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?

_d_be_c_ed_b

 

A) edbcb B) cdebc
C) ecdbc D) eedcb
 
Answer & Explanation Answer: C) ecdbc

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