Find the odd one out: 3, 7, 11, 15, 19 MCQ with Answer and Explanation

Question

Share Report Error

Find the odd one out: 3, 7, 11, 15, 19

A. 7

B. 15

C. 11

D. 19

Answer: Option B

Solution (By JKSSB Mock Tests)

All others are prime numbers; 15 is composite.

This question belongs to: Reasoning Mental Reasoning

Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Mental Reasoning Questions

Question #1

Find the missing term: 5, 10, 20, 40, 80, ?

A. 120

B. 140

C. 150

D. 160

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option D

Explanation:
Each term is multiplied by 2: 5×2=10, 10×2=20, 20×2=40, 40×2=80, so next is 80×2=160.

This question belongs to: Reasoning Mental Reasoning

Question #2

Statements: Some chairs are tables. All tables are wooden. Conclusions: I. Some wooden things are chairs. II. All chairs are wooden. III. Some tables are chairs. Which conclusions follow?

A. Only I and III

B. Only III

C. None

D. Only I

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option A

Explanation:
Some chairs are tables and all tables are wooden, so some wooden things are chairs. Also, conversion of 'Some chairs are tables' gives 'Some tables are chairs'.

This question belongs to: Reasoning Mental Reasoning

Question #3

Find the odd one out: 2, 3, 5, 7, 9

A. 3

B. 9

C. 7

D. 2

View Answer & Solution Discuss

Get Complete Subject PDF for Reasoning

Correct Answer: Option B

Explanation:
9 is composite, while 2, 3, 5 and 7 are prime numbers.

This question belongs to: Reasoning Mental Reasoning

Explore All Mental Reasoning MCQs