Find the odd one out: 17, 19, 23, 27, 29 MCQ with Answer and Explanation

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Find the odd one out: 17, 19, 23, 27, 29

A. 27

B. 17

C. 29

D. 19

Answer: Option A

Solution (By JKSSB Mock Tests)

All others are prime numbers; 27 is a composite number.

This question belongs to: Reasoning Mental Reasoning

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Practice More Mental Reasoning Questions

Question #1

If 2 is coded as 3, 3 as 8, 4 as 15, then 5 is coded as?

A. 20

B. 26

C. 24

D. 22

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Correct Answer: Option C

Explanation:
The code is n²-1: 2²-1=3, 3²-1=8, 4²-1=15, so 5²-1=24.

This question belongs to: Reasoning Mental Reasoning

Question #2

A man walks 3 km north, turns right and walks 4 km, then turns right and walks 3 km. How far is he from the starting point?

A. 5 km

B. 4 km

C. 7 km

D. 3 km

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Correct Answer: Option B

Explanation:
After walking north 3 km and later south 3 km, those cancel out. He is 4 km to the east of the starting point.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the next term: 0, 1, 3, 6, 10, ?

A. 15

B. 16

C. 12

D. 14

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Correct Answer: Option A

Explanation:
Differences are 1, 2, 3, 4, 5. Next term = 10 + 5 = 15.

This question belongs to: Reasoning Mental Reasoning

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