3100+ Mental Ability Reasoning Questions and Answers with Explanation

Q:

Given intercharges :

Signs + and x and numbers 4 and 5.

A) 5 x 4 + 20 = 40	B) 5 x 4 + 20 = 85
C) 5 x 4 + 20 = 104	D) 5 x 4 + 20 = 95

Answer & Explanation Answer: C) 5 x 4 + 20 = 104

Explanation:

On interchanging + and x and 4 and 5 in (c),

we get the equation as
4 + 5 x 20 = 104 or 104 = 104, which is true.

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Filed Under: Mathematical Operations

210 26100

Q:

If 3@7 = 20, 8@1 = 18 and 6@5 = 22, then find the value of 4@4 = ?

A) 15	B) 16
C) 20	D) 29

Answer & Explanation Answer: B) 16

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

6 26042

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

125 26041

Q:

How many combinations of two-digit numners having 8 can be made from the following numbers?

8, 5, 2, 1, 7, 6

A) 10	B) 6
C) 9	D) 11

Answer & Explanation Answer: D) 11

Explanation:

The possibe two-digit numbers are: 88, 85, 82, 81, 87, 86, 58, 28, 18, 78, 68

These are 11 in number

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Filed Under: Number, Ranking and Time Sequence Test

56 26020

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 -

Answer & Explanation Answer: D) ÷ and -

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

1 26016

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 25996

Q:

Which of the following terms follows the trend of the given list?

QPQPQRPQP, QPQPRQPQP, QPQRPQPQP, QPRQPQPQP, QRPQPQPQP, _______________.

A) RQPQPQPQP	B) QPQPQPRQP
C) QPQPQRPQP	D) QPQPRQPQP

Answer & Explanation Answer: A) RQPQPQPQP

Explanation:

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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

3 25980

Q:

Which of the following terms follows the trend of the given list?

QPPPPPP, QQPPPPP, QQQPPPP, QQQQPPP, QQQQQPP, _______________.

A) QQQQQQP	B) PPPPPPP
C) QPPPPPP	D) QQPPPPP

Verbal Reasoning - Mental Ability Questions

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