3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Kudos means

A) blame	B) shame
C) fame	D) angry

Answer & Explanation Answer: C) fame

Explanation:

Kudos means Praise or Congrats or Compliments.

Fame is Synonym of Kudos.

Blame, Shame and Angry are Antonyms of Kudos.

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12 3783

Q:

Two angles whose sum is 180 degrees are

A) Complimentary angles	B) Supplementary angles
C) Alternate angles	D) None of the above

Answer & Explanation Answer: B) Supplementary angles

Explanation:

Two angles whose sum is 180 degrees are called supplementary angles.

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Filed Under: Arithmetical Reasoning
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Q:

An intelligent boy is doing a jigsaw with 275 pieces. Each day that he fits pieces together there are fewer pieces left, and it is reasonable to assume that he fits more pieces each day because the number left to sort out diminishes progressively. Hence he is able to fit an extra piece as each day goes by. On the first day he fits 20 pieces. How many days does it take for him to complete the puzzle ?

A) 11 days	B) 15 days
C) 13 days	D) 16 days

Answer & Explanation Answer: A) 11 days

Explanation:

Let 'n' number of days it take to complete.

we know that sum of n number= n/2[2a+(n-1)d]
where a=20,d=1;
n/2[2x20+(n-1)1]=275
n[n+39]=550
$n^{2}$ + 39n - 550 = 0
$n^{2}$ + 50n - 11n - 550 = 0
(n-11) (n-50) = 0
n-11 = 0;
n = 11(Days).

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2 3763

Q:

All the six members of a family A, B, C, D, E and F are travelling together. B is the son of C but C is not the mother of B. A and C are a married couple. E is the brother of C. D is the daughter of A. F is the brother of B. Who is the wife of E ?

A) A	B) F
C) E	D) Cant be determined

Answer & Explanation Answer: D) Cant be determined

Explanation:

B is the son of C but C is not the mother of B means C is the father of B A is married to C means A is the mother of B.

F is brother of B means F is son of A and C. D is daughter of A means D is daughter of A and C

Clearly. from the data available. the wife of E cannot be determined.

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Filed Under: Blood Relations

1 3763

Q:

In a certain code language, "RAINBOW" is written as "1987645" and "SNAP" is written as "3790". How is "PIANO" written in that code language?

A) 8976	B) 8947
C) 8974	D) 8977

Answer & Explanation Answer: C) 8974

Explanation:

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Q:

Ramesh, Kamal, Mohit, Amit and Rohit are standing in a row in the order of their heights. Ramesh is shorter than Kamal but taller than Rohit. Mohit is the tallest. Amit is a little shorter than Kamal but little taller than Ramesh. Who is the shortest?

A) Amit	B) Mohit
C) Rohit	D) Kamal

Answer & Explanation Answer: C) Rohit

Explanation:

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Q:

Three of the following four are alike in a certain way and hence form a group. Which is the one that does not belong to that group?

A) 8	B) 13
C) 29	D) 38

Answer & Explanation Answer: D) 38

Explanation:

The numbers are based on the expression $n^{2} + 4$

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18 3751

Q:

Choose the pair in which the words are differently related?

A) Lizard : Pad	B) Short : Long
C) Poor : Rich	D) Light : Heavy

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