3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

In the following question, select the related number from the given alternatives.

15 : 22 : : 19 : ?

A) 24	B) 20
C) 26	D) 22

Answer & Explanation Answer: C) 26

Explanation:

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Filed Under: Analogy
Exam Prep: Bank Exams

0 33808

Q:

What should come in place of the question mark(?) in the following questions ?

$3 \frac{1}{6} + 4 \frac{1}{2} - 2 \frac{2}{3} - 1 \frac{11}{12} = ?$

A) 1 7/12	B) 1 5/12
C) 3 7/12	D) 3 1/12

Answer & Explanation Answer: D) 3 1/12

Explanation:

? = (3 + 4 - 2 - 1) + ( 1/6 + 1/2 - 2/3 - 11/12)

= 4 + [(2+6-8-11)/12]

= 4 - (11/12 )= 31/12.

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Filed Under: Mathematical Operations
Exam Prep: CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

126 33765

Q:

If 3!5 = 30, 6!1 = 12 and 5!8 = 80, then find the value of 2!2 = ?

A) 28	B) 12
C) 8	D) 32

Answer & Explanation Answer: C) 8

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

2 33672

Q:

Find the quadratic equations whose roots are the reciprocals of the roots of $2 x^{2} + 5 x + 3$ ?

A) $3 x^{2} + 5 x + 2 = 0$

B) $5 x^{2} + 3 x + 2 = 0$

C) $3 x^{2} - 5 x - 2 = 0$

D) None

A) A	B) B
C) C	D) D

Answer & Explanation Answer: A) A

Explanation:

The quadratic equation whose roots are reciprocal of $2 x^{2} + 5 x + 3 = 0$ can be obtained by replacing x by 1/x.

Hence, 2(1/x)(1/x)+ 5(1/x) + 3 = 0

=> $3 x^{2} + 5 x + 2 = 0$

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Filed Under: Mathematical Operations
Exam Prep: GATE , CAT , Bank Exams , AIEEE
Job Role: Bank PO , Bank Clerk

78 33606

Q:

Complete the number series?

11, 12.2, 14.6, 18.2, ?

A) 21.8	B) 23
C) 24.6	D) 25

Answer & Explanation Answer: B) 23

Explanation:

The given number series 11, 12.2, 14.6, 18.2, ?

11

11 + 1.2 = 12.2

12.2 + 2.4 = 14.6

14.6 + 3.6 = 18.2

18.2 + 4.8 = 23

Hence, the next number in the given number series is 23.

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

8 33558

Q:

As per the given Venn diagram, the total number of students who play cricket as well as football but not Kabaddi is ___.

A) R	B) T
C) P	D) V

Answer & Explanation Answer: D) V

Explanation:

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Filed Under: Logical Venn Diagram
Exam Prep: Bank Exams

1 33505

Q:

Directions : For the Assertion (A) and Reason (R) below, choose the correct alternative

Assertion (A) : Pressure cookers are fitted with ebonite handles.

Reason (R) : Ebonite is strong.

A) Both A and R are true and R is the correct explanation of A.	B) Both A and R are true but R is NOT the correct explanation of A.
C) A is true but R is false.	D) A is false but R is true.

Answer & Explanation Answer: C) A is true but R is false.

Explanation:

The handles of pressure cookers are made of ebonite because it being a bad conductor of heat, does not heat up.

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Filed Under: Assertion and Reason

61 33400

Q:

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

14 + 18 x 40 - 10 ÷ 20 = 66

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

Verbal Reasoning - Mental Ability Questions

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