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. 53

B. 65

C. 59

D. 63

Answer: Option A

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: 1, 6, 15, 28, 45, ?

A. 62

B. 68

C. 66

D. 64

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Correct Answer: Option C

Explanation:
Differences are +5, +9, +13, +17, which increase by 4; next difference is +21, so 45+21=66.

This question belongs to: Reasoning Mental Reasoning

Question #2

If P is the brother of Q, R is the sister of Q and S is the father of P, then how is R related to S?

A. Mother

B. Sister

C. Daughter

D. Son

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Correct Answer: Option C

Explanation:
S is father of P and Q (siblings), R is sister of Q so R is also child of S, hence daughter of S.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the next term: 100, 81, 64, 49, 36, ?

A. 30

B. 27

C. 25

D. 28

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Correct Answer: Option C

Explanation:
The terms are squares descending: 10^2, 9^2, 8^2, 7^2, 6^2. Next term = 5^2 = 25.

This question belongs to: Reasoning Mental Reasoning

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