Find the missing term: 3, 8, 15, 24, 35, ? MCQ with Answer and Explanation

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Find the missing term: 3, 8, 15, 24, 35, ?

A. 50

B. 48

C. 46

D. 45

Answer: Option B

Solution (By JKSSB Mock Tests)

The series follows n² - 1: 2²-1=3, 3²-1=8, 4²-1=15, 5²-1=24, 6²-1=35, so next is 7²-1=48.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

If COLD is coded as DPME, how is WARM coded?

A. YBSN

B. XBSN

C. XBRN

D. XASN

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Correct Answer: Option B

Explanation:
Each letter is shifted 1 place forward. W+1=X, A+1=B, R+1=S, M+1=N.

This question belongs to: Reasoning Mental Reasoning

Question #2

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. Grandson

B. Great grandson

C. Grandfather

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 #3

Find the next term: 5, 10, 20, 40, 80, ?

A. 100

B. 140

C. 120

D. 160

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Correct Answer: Option D

Explanation:
Each term is multiplied by 2. Next term = 80 × 2 = 160.

This question belongs to: Reasoning Mental Reasoning

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