3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

3 divided by 1/3?

A) 1	B) 0
C) 9	D) None

Answer & Explanation Answer: C) 9

Explanation:

3 divided by 1/3

=> $\frac{3}{\frac{1}{3}}$

= 3 x 3/1

= 9

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams
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5 2256

Q:

In a certain language "BROTHER" is written as "CSPUIFS". How is "SISTER" written in that code language?

A) TJTFUS	B) TJTUFS
C) SFUTJT	D) TJTSFU

Answer & Explanation Answer: B) TJTUFS

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 2255

Q:

It is 10:30 by the clock. If the minute hand points towards the south direction, then which direction will the hour hand point to ?

A) South-west	B) North-west
C) North-east	D) South-east

Answer & Explanation Answer: B) North-west

Explanation:

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Filed Under: Direction Sense Test
Exam Prep: Bank Exams

7 2255

Q:

If in an A.P series 18th term is 29 and 29th term is 18. Then find the 49th term ?

A) -3	B) -2
C) 0	D) 1

Answer & Explanation Answer: B) -2

Explanation:

We know that in A.P series
18th term = a + 17d
29th term = a + 28d
But given
a + 17d = 29..........(i)
a + 28d = 18......... (ii)
Solving equation (i) and (ii), we get
d = -1
put d = -1 in any of the above equations and we get,
a = 46
Now, we know 49th term can be written as, a + 48d
putting the value of a and d in the above equation,
a + 48d = 46 + 48(-1)
= 46 - 48
= -2

Hence, the 49th term is -2.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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3 2253

Q:

If "–" means "added to", "+" means "divided by", "÷" means "multiplied by", "x" means "subtracted from", then 13 + 12 x 9 ÷ 3 – 6 = ?

A) –117/11	B) 117/11
C) –237/12	D) –239/12

Answer & Explanation Answer: D) –239/12

Explanation:

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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

7 2249

Q:

Introducing a boy, Amarjeet says, "He is the son of the daughter of my father." How is boy related to the Amarjeet?

A) Nephew	B) Maternal uncle
C) Son	D) Cousin

Answer & Explanation Answer: A) Nephew

Explanation:

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Filed Under: Blood Relations
Exam Prep: Bank Exams

24 2246

Q:

If 25 + 5 ÷ 2 = 40 , and 35 + 5 ÷ 2 = 60 , then 45 + 5 ÷ 2 = ?

A) 90	B) 70
C) 60	D) 80

Answer & Explanation Answer: D) 80

Explanation:

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Filed Under: Mathematical Operations
Exam Prep: Bank Exams

9 2244

Q:

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

POT, OMS, NKR, MIQ, ?

A) LGP	B) KGO
C) LHP	D) KHO

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