Side of square increased 10%. % increase in area: MCQ with Answer and Explanation

Question

Share Report Error

Side of square increased 10%. % increase in area:

A. 22%

B. 25%

C. 20%

D. 21%

Answer: Option D

Solution (By JKSSB Mock Tests)

Area multiplier = 1.1² = 1.21, increase 21%.

This question belongs to: Maths Percentage

Request complete Subject PDF

Discuss this Question (0)

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

Practice More Percentage Questions

Question #1

What is 80 decreased by 25%?

A. 60

B. 50

C. 80

D. 70

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
25% of 80 = 20. 80 - 20 = 60.

This question belongs to: Maths Percentage

Question #2

72% passed an exam. Failures = 560. Total examinees:

A. 1800

B. 2500

C. 2200

D. 2000

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
28% = 560, total = 560/0.28 = 2000.

This question belongs to: Maths Percentage

Question #3

A shopkeeper allows a discount of 25% on the marked price and still gains 20%. If the cost price is Rs. 600, find the marked price.

A. Rs. 800

B. Rs. 1000

C. Rs. 960

D. Rs. 900

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option C

Explanation:
SP = 600×1.2=720. MP = 720/0.75 = 960.

This question belongs to: Maths Percentage

Explore All Percentage MCQs