Aptitude and Reasoning Questions

Q:

What is the value of [tan (90  A) + cot (90  A)]2/[2 sec2(90  2A)]?

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

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Filed Under: Simplification
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Q:

If x = 11, the value of x5 - 12x4 + 12x3 - 12x2 + 12x - 1 is

A) 11 B) 10
C) 12 D) -10
 
Answer & Explanation Answer: B) 10

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Q:

If the sum of squares of two real numbers is 41 and their sum is 9. Then the sum of cubes of these two numbers is

A) 169 B) 209
C) 189 D) 198
 
Answer & Explanation Answer: C) 189

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Filed Under: Problems on Numbers
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Q:

The height of a right circular cylinder is twice its radius of the base. If its height be 6 times its radius of the base, then the volume of the cylinder will be 539 cub.cm more. Assuming Π = 22/7, the height of the cylinder is

A) 5 cm B) 7 cm
C) 9 cm D) 11 cm
 
Answer & Explanation Answer: B) 7 cm

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Filed Under: Volume and Surface Area
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Q:

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?

A) 4.8 B) 3.2
C) 6.4 D) 8.6
 
Answer & Explanation Answer: C) 6.4

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Filed Under: Volume and Surface Area
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Q:

Convert binary 10110 to decimal.

A) 22 B) 20
C) 18 D) 16
 
Answer & Explanation Answer: A) 22

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Filed Under: Numbers
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Q:

Select the missing numbers from the given alternatives

A) 19 B) 16
C) 21 D) 20
 
Answer & Explanation Answer: B) 16

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Q:

In a certain language KINDLE is coded as ELDNIK, how is IMPOSING coded in that code?

A) GNIOSPMI B) GNSIOPMI
C) GNISPOMI D) GNISOPMI
 
Answer & Explanation Answer: D) GNISOPMI

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Filed Under: Coding and Decoding
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