Find the odd one out: 1, 8, 27, 64, 100 MCQ with Answer and Explanation

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Find the odd one out: 1, 8, 27, 64, 100

A. 100

B. 64

C. 27

D. 1

Answer: Option A

Solution (By JKSSB Mock Tests)

1, 8, 27 and 64 are perfect cubes, but 100 is not a perfect cube.

This question belongs to: Reasoning Mental Reasoning

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Question #1

Find the missing term: 5, 10, 30, 120, ?

A. 600

B. 500

C. 540

D. 480

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Correct Answer: Option A

Explanation:
Multipliers are 2, 3, 4, 5: 5×2=10, 10×3=30, 30×4=120, so 120×5=600.

This question belongs to: Reasoning Mental Reasoning

Question #2

In a row of 40 students, Ravi is 15th from left and Sita is 20th from right. How many students are there between them?

A. 5

B. 4

C. 7

D. 6

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Correct Answer: Option A

Explanation:
Sita's position from left = 40-20+1=21. Ravi's position =15. Number between them = 21-15-1=5.

This question belongs to: Reasoning Mental Reasoning

Question #3

Ravi's rank from the top is 15 and from the bottom is 15. How many students are there?

A. 29

B. 30

C. 28

D. 31

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Correct Answer: Option A

Explanation:
Total students = 15 + 15 - 1 = 29.

This question belongs to: Reasoning Mental Reasoning

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