Find the missing term: 100, 95, 85, 70, 50, ? MCQ with Answer and Explanation

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Find the missing term: 100, 95, 85, 70, 50, ?

A. 25

B. 30

C. 35

D. 20

Answer: Option A

Solution (By JKSSB Mock Tests)

The differences are -5, -10, -15, -20, so the next difference is -25: 50-25=25.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

A is B's sister. C is B's mother. D is C's father. F is A's son. How is F related to D?

A. Grandfather

B. Great grandson

C. Grandson

D. Son

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Correct Answer: Option B

Explanation:
D is father of C, C is mother of A and B, F is son of A. Thus F is great grandson of D.

This question belongs to: Reasoning Mental Reasoning

Question #2

ACE : GIK :: MOQ : ?

A. RTV

B. RTU

C. SUV

D. SUW

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Correct Answer: Option D

Explanation:
Each letter is shifted 6 places forward. M+6=S, O+6=U, Q+6=W, so MOQ becomes SUW.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the missing term: 2, 5, 10, 17, 26, ?

A. 36

B. 35

C. 37

D. 39

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Correct Answer: Option C

Explanation:
The terms follow n²+1: 1²+1=2, 2²+1=5, 3²+1=10, 4²+1=17, 5²+1=26, so next is 6²+1=37.

This question belongs to: Reasoning Mental Reasoning

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