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

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

A. 144

B. 125

C. 121

D. 100

Answer: Option B

Solution (By JKSSB Mock Tests)

The terms are cubes: 1³=1, 2³=8, 3³=27, 4³=64, so next is 5³=125.

This question belongs to: Reasoning Mental Reasoning

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Question #1

Find the missing term: 6, 9, 15, 21, 33, ?

A. 51

B. 45

C. 39

D. 42

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Correct Answer: Option C

Explanation:
These are products of 3 and consecutive primes: 2×3=6, 3×3=9, 5×3=15, 7×3=21, 11×3=33, so next is 13×3=39.

This question belongs to: Reasoning Mental Reasoning

Question #2

How many meaningful English words can be formed with the letters of the word 'LAME' using each letter only once in each word?

A. Three

B. Two

C. One

D. None

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Correct Answer: Option A

Explanation:
Possible: LAME, MALE, MEAL, ALE M etc. Meaningful: LAME, MALE, MEAL. Three.

This question belongs to: Reasoning Mental Reasoning

Question #3

If 1st January 2024 is Monday, what day is 1st March 2024?

A. Saturday

B. Friday

C. Sunday

D. Thursday

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Correct Answer: Option B

Explanation:
Jan 1 to Mar 1 = 31+29 = 60 days. 60 mod 7 = 4 odd days. Monday + 4 = Friday.

This question belongs to: Reasoning Mental Reasoning

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