Find the odd one out: Hydrogen, Oxygen, Nitrogen, Ozone MCQ with Answer and Explanation

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Find the odd one out: Hydrogen, Oxygen, Nitrogen, Ozone

A. Oxygen

B. Nitrogen

C. Ozone

D. Hydrogen

Answer: Option C

Solution (By JKSSB Mock Tests)

Hydrogen, Oxygen and Nitrogen exist as diatomic molecules (H2, O2, N2); Ozone is triatomic (O3).

This question belongs to: Reasoning Classification (Odd One Out)

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Practice More Classification (Odd One Out) Questions

Question #1

Find the odd one out: Rupee, Taka, Kyat, Dollar

A. Kyat

B. Dollar

C. Rupee

D. Taka

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Correct Answer: Option B

Explanation:
Rupee, Taka and Kyat are South Asian currencies; Dollar is not a South Asian currency.

This question belongs to: Reasoning Classification (Odd One Out)

Question #2

Find the odd one out: New Delhi, Mumbai, Chennai, Pune

A. Chennai

B. Mumbai

C. Pune

D. New Delhi

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Correct Answer: Option C

Explanation:
New Delhi, Mumbai and Chennai are capitals of states or the country; Pune is not a capital.

This question belongs to: Reasoning Classification (Odd One Out)

Question #3

Find the odd one out: Tiger, Lion, Deer, Eagle

A. Eagle

B. Deer

C. Tiger

D. Lion

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Correct Answer: Option A

Explanation:
Tiger, Lion and Deer are mammals; Eagle is a bird.

This question belongs to: Reasoning Classification (Odd One Out)

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