Find the odd one out: 2, 4, 6, 8, 10 MCQ with Answer and Explanation

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Find the odd one out: 2, 4, 6, 8, 10

A. 2

B. 6

C. 4

D. 10

Answer: Option A

Solution (By JKSSB Mock Tests)

All except 2 are composite even numbers; 2 is the only prime even number in the list.

This question belongs to: Reasoning Mental Reasoning

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Question #1

Find the odd one out: 64, 81, 100, 125, 144

A. 125

B. 64

C. 144

D. 100

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Correct Answer: Option A

Explanation:
125 is a perfect cube, while all other options are perfect squares.

This question belongs to: Reasoning Mental Reasoning

Question #2

A person walks 10 km towards North. From there he walks 6 km towards South. Then he walks 3 km towards East. How far and in which direction is he with reference to his starting point?

A. 7 km East

B. 7 km North-East

C. 5 km East

D. 5 km North-East

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Correct Answer: Option D

Explanation:
Net North =10-6=4 km North, 3 km East. Distance √(4²+3²)=5 km North-East.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the missing term: 1, 2, 5, 10, 17, 26, ?

A. 37

B. 35

C. 38

D. 36

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Correct Answer: Option A

Explanation:
Differences are +1, +3, +5, +7, +9, so next difference is +11: 26+11=37.

This question belongs to: Reasoning Mental Reasoning

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