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

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Find the odd one out: Oxygen, Nitrogen, Hydrogen, Carbon dioxide

A. Hydrogen

B. Oxygen

C. Nitrogen

D. Carbon dioxide

Answer: Option D

Solution (By JKSSB Mock Tests)

Oxygen, Nitrogen and Hydrogen are elements; Carbon dioxide is a compound.

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: .docx, .xlsx, .pptx, .txt

A. .txt

B. .docx

C. .pptx

D. .xlsx

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Correct Answer: Option A

Explanation:
.docx, .xlsx and .pptx are MS Office file formats; .txt is a plain text format.

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

Question #2

Find the odd one out: Dog, Cat, Cow, Parrot

A. Cat

B. Cow

C. Parrot

D. Dog

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Correct Answer: Option C

Explanation:
Dog, Cat and Cow are mammals; Parrot is a bird.

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

Question #3

Find the odd one out: GST, VAT, Income Tax, Customs

A. GST

B. Income Tax

C. VAT

D. Customs

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Correct Answer: Option B

Explanation:
GST, VAT and Customs are indirect taxes; Income Tax is a direct tax.

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

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