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

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

A. 343

B. 196

C. 216

D. 256

Answer: Option C

Solution (By JKSSB Mock Tests)

The terms are cubes of natural numbers: 1^3, 2^3, 3^3, 4^3, 5^3. Next term = 6^3 = 216.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

Find the missing number in the series: 2, 7, 24, 77, ?, 783

A. 238

B. 246

C. 254

D. 250

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Correct Answer: Option A

Explanation:
Pattern: 2×3+1=7, 7×3+3=24, 24×3+5=77, 77×3+7=238, 238×3+9=783. The added numbers are consecutive odd numbers.

This question belongs to: Reasoning Mental Reasoning

Question #2

Find the missing term: 2, 4, 12, 48, ?

A. 192

B. 144

C. 240

D. 120

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Correct Answer: Option C

Explanation:
Multipliers are 2, 3, 4, 5: 2×2=4, 4×3=12, 12×4=48, so 48×5=240.

This question belongs to: Reasoning Mental Reasoning

Question #3

Statements: Some chairs are tables. All tables are wooden. Conclusions: I. Some wooden things are chairs. II. All chairs are wooden. III. Some tables are chairs. Which conclusions follow?

A. Only I

B. None

C. Only I and III

D. Only III

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Correct Answer: Option C

Explanation:
Some chairs are tables and all tables are wooden, so some wooden things are chairs. Also, conversion of 'Some chairs are tables' gives 'Some tables are chairs'.

This question belongs to: Reasoning Mental Reasoning

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