Find the missing term: 1, 8, 27, 64, 125, ? MCQ with Answer and Explanation

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Find the missing term: 1, 8, 27, 64, 125, ?

A. 226

B. 196

C. 216

D. 206

Answer: Option C

Solution (By JKSSB Mock Tests)

The terms are consecutive cubes: 1³, 2³, 3³, 4³, 5³, so next is 6³=216.

This question belongs to: Reasoning Mental Reasoning

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Question #1

Find the missing term: 2, 3, 5, 8, 13, ?

A. 19

B. 18

C. 20

D. 21

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Correct Answer: Option D

Explanation:
Each term is the sum of the previous two: 2+3=5, 3+5=8, 5+8=13, so 8+13=21.

This question belongs to: Reasoning Mental Reasoning

Question #2

Statements: No fruit is a vegetable. All mangoes are fruits. Conclusions: I. No mango is a vegetable. II. Some vegetables are mangoes. III. Some fruits are mangoes. Which conclusions follow?

A. All

B. Only II and III

C. Only I and III

D. Only I

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Correct Answer: Option C

Explanation:
Mangoes are fruits and no fruit is a vegetable, so no mango is a vegetable. Also, since all mangoes are fruits, some fruits are mangoes follows.

This question belongs to: Reasoning Mental Reasoning

Question #3

Statements: All pens are books. Some books are erasers. Conclusions: I. Some pens are erasers. II. Some books are pens. Which conclusion(s) follow(s)?

A. Neither I nor II follows

B. Only II follows

C. Only I follows

D. Both I and II follow

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Correct Answer: Option B

Explanation:
From 'All pens are books' we can conclude 'Some books are pens'. But no definite relation follows between pens and erasers.

This question belongs to: Reasoning Mental Reasoning

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