Find the missing term: 0, 7, 26, 63, ? MCQ with Answer and Explanation

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Find the missing term: 0, 7, 26, 63, ?

A. 126

B. 125

C. 127

D. 124

Answer: Option D

Solution (By JKSSB Mock Tests)

The terms follow n³-1: 1³-1=0, 2³-1=7, 3³-1=26, 4³-1=63, so next is 5³-1=124.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

If 15 August 2020 was Saturday, what day was 15 August 2021?

A. Saturday

B. Monday

C. Sunday

D. Friday

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Correct Answer: Option C

Explanation:
From 15 August 2020 to 15 August 2021 there are 365 days. 365 ÷ 7 leaves remainder 1, so Saturday + 1 = Sunday.

This question belongs to: Reasoning Mental Reasoning

Question #2

If A + B means A is father of B and A × B means A is brother of B, then P + Q × R means:

A. P is brother of R

B. P is father of R

C. P is uncle of R

D. P is grandfather of R

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Correct Answer: Option B

Explanation:
P + Q means P is father of Q. Q × R means Q is brother of R. So P is also father of R.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the next number in the series: 1, 4, 27, 16, 125, 36, ?

A. 64

B. 343

C. 49

D. 216

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Correct Answer: Option B

Explanation:
Alternate cubes and squares: 1³, 2², 3³, 4², 5³, 6², 7³=343.

This question belongs to: Reasoning Mental Reasoning

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