3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

16 x 8 - 4 ÷ 9 + 14 = 37

A) + and x	B) + and ÷
C) ÷ and -	D) - and +

Answer & Explanation Answer: C) ÷ and -

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 60533

Q:

Select the missing number from the given matrix:

A) 43	B) 42
C) 33	D) 32

Answer & Explanation Answer: C) 33

Explanation:

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Filed Under: Arithmetical Reasoning
Exam Prep: Bank Exams

1 60395

Q:

Select the related word/letters/number from the given alternatives.

deF : Ihg : : wxY : ?

A) bAZ	B) Baz
C) BaZ	D) baz

Answer & Explanation Answer: B) Baz

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

1 60050

Q:

In the following question, select the missing number from the given series.

9, 11, 14, 16, 19, 21, ?

A) 24	B) 26
C) 25	D) 27

Answer & Explanation Answer: A) 24

Explanation:

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Filed Under: Number Series
Exam Prep: Bank Exams

26 59981

Q:

Find the wrong number in the following series?

1500, 1475, 1448, 1419, 1389, 1355, 1320

A) 1475	B) 1419
C) 1389	D) 1355

Answer & Explanation Answer: C) 1389

Explanation:

Take a look at the below sereies :

1500 - 25 = 1475

1475 - 27 = 1448

1448 - 29 = 1419

1419 - 31 = 1388

1388 - 33 = 1355

1355 - 35 = 1320

It clearly shows 1389 is Wrong Number

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Filed Under: Number Series

20 59972

Q:

Find the next number in the given number sequence?

9, 19, 21, 43, 45, ...

A) 88	B) 54
C) 91	D) 49

Answer & Explanation Answer: C) 91

Explanation:

The given number series 9, 19, 21, 43, 45, ... follows a pattern that

ALternately (x 2 + 1) and (x 1 + 2)

9

9 x 2 + 1 = 19

19 x 1 + 2 = 21

21 x 2 + 1 = 43

43 x 1 + 2 = 45

45 x 2 + 1 = 91

Hence, the next number in the given sequence is 91.

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Filed Under: Number Series
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

8 59928

Q:

Arrange the given words in a meaningful sequence.

1. Grain 2. Plant 3.Sandwich 4. Bread 5. Dough

A) 1,2,5,4,3	B) 2,1,4,5,3
C) 2,1,5,4,3	D) 2,1,4,5,3

Answer & Explanation Answer: C) 2,1,5,4,3

Explanation:

The Correct Sequence is :

Plant Grain Dough Bread Sandwich

2 1 5 4 3

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Filed Under: Logical Sequence of Words

18 59862

Q:

If 70!10 = -7, 70!5 = -14 and 40!4 = -10, then find the value of 20!2 = ?

A) 30	B) -10
C) 12	D) -24

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