In a row, P is 10th from the left and Q is 6th from the right. After interchanging, P is 18th from the left. How many persons are in the row? MCQ with Answer and Explanation

Question

In a row, P is 10th from the left and Q is 6th from the right. After interchanging, P is 18th from the left. How many persons are in the row?

A. 24

B. 25

C. 23

D. 22

Answer: Option C

Solution (By JKSSB Mock Tests)

Q's original left position is P's new left position, 18. Total = 18 + 6 - 1 = 23.

This question belongs to: Reasoning Mental Reasoning

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Question #1

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Find the missing term: 10, 20, 40, 70, 110, ?

A. 160

B. 140

C. 170

D. 150

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Correct Answer: Option A

Explanation:
Differences are +10, +20, +30, +40, so next difference is +50: 110+50=160.

This question belongs to: Reasoning Mental Reasoning

Question #2

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If A = 1, C = 9, E = 25, then G = ?

A. 81

B. 49

C. 64

D. 36

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Correct Answer: Option B

Explanation:
The value is the square of the letter's alphabet position. A=1²=1, C=3²=9, E=5²=25, G=7²=49.

This question belongs to: Reasoning Mental Reasoning

Question #3

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Find the odd one out: 11, 22, 33, 44, 45

A. 33

B. 11

C. 45

D. 44

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Correct Answer: Option C

Explanation:
11, 22, 33 and 44 are multiples of 11, but 45 is not.

This question belongs to: Reasoning Mental Reasoning

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