If P denotes ÷, Q denotes ×, R denotes + and S denotes −, then 18 Q 12 P 4 R 5 S 6 = ? MCQ with Answer and Explanation

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If P denotes ÷, Q denotes ×, R denotes + and S denotes −, then 18 Q 12 P 4 R 5 S 6 = ?

A. 59

B. 53

C. 63

D. 65

Answer: Option B

Solution (By JKSSB Mock Tests)

18 × 12 ÷ 4 + 5 − 6 = 18 × 3 + 5 − 6 = 54 + 5 − 6 = 53.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the missing term: 100, 81, 64, 49, ?

A. 35

B. 32

C. 36

D. 25

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Correct Answer: Option C

Explanation:
The terms are decreasing squares: 10²=100, 9²=81, 8²=64, 7²=49, so next is 6²=36.

This question belongs to: Reasoning Mental Reasoning

Question #2

What is the angle between the hands of a clock at 6:00?

A. 150°

B. 90°

C. 120°

D. 180°

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Correct Answer: Option D

Explanation:
At 6:00, the hour hand is at 6 and the minute hand is at 12, exactly opposite; angle = 180°.

This question belongs to: Reasoning Mental Reasoning

Question #3

A, B, C, D, E, F and G are sitting in a row facing North. C is to the immediate right of D. F is fourth to the left of G. B is between A and F. E is between C and G. Who is sitting in the middle?

A. E

B. C

C. D

D. B

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Correct Answer: Option A

Explanation:
From clues: possible arrangement A B F D C E G or similar. Middle is 4th position. One valid is A B F D C E G → D in middle.

This question belongs to: Reasoning Mental Reasoning

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