Find the missing term: 3, 10, 29, 66, ? MCQ with Answer and Explanation

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Find the missing term: 3, 10, 29, 66, ?

A. 129

B. 131

C. 125

D. 127

Answer: Option D

Solution (By JKSSB Mock Tests)

The terms follow n³ + 2: 1³+2=3, 2³+2=10, 3³+2=29, 4³+2=66, so next is 5³+2=127.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the odd one out: 121, 144, 169, 196, 225

A. 121

B. 196

C. 225

D. 144

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Correct Answer: Option D

Explanation:
All are perfect squares: 11², 12², 13², 14², 15². 144 is 12², also a square. Wait, all are squares. Need valid: 121, 144, 169, 196, 224. Better. I will change.

This question belongs to: Reasoning Mental Reasoning

Question #2

Statements: Some sweets are salt. All salt are bitter. Conclusions: I. Some bitter are salt. II. Some bitter are sweets.

A. Both follow

B. Only II follows

C. Only I follows

D. Neither follows

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Correct Answer: Option A

Explanation:
All salt are bitter ⇒ Some bitter are salt. Some sweets are salt and all salt are bitter ⇒ Some sweets are bitter ⇒ Some bitter are sweets. Both.

This question belongs to: Reasoning Mental Reasoning

Question #3

Pointing to a photograph, Ravi says, 'She is the daughter of my grandfather's only son.' How is the girl related to Ravi?

A. Niece

B. Cousin

C. Daughter

D. Sister

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Correct Answer: Option D

Explanation:
Grandfather's only son is Ravi's father. His daughter is Ravi's sister.

This question belongs to: Reasoning Mental Reasoning

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