A town's population increases by 10% in the first year and 20% in the second year. What is the net percentage increase? MCQ with Answer and Explanation

Question

Share Report Error

A town's population increases by 10% in the first year and 20% in the second year. What is the net percentage increase?

A. 32%

B. 30%

C. 35%

D. 33%

Answer: Option A

Solution (By JKSSB Mock Tests)

Net change = 10 + 20 + ((10 * 20) / 100) = 30 + 2 = 32%.

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

Share Report

A person spends 25% of his income on food, 20% on rent, 15% on education and saves the rest. If his savings are Rs. 7200, his income is:

A. Rs. 15000

B. Rs. 18000

C. Rs. 16000

D. Rs. 20000

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Spend % = 25+20+15=60%, save 40% = 7200, income = 7200/0.4 = 18000.

This question belongs to: Maths Percentage

Question #2

Share Report

25% reduction in sugar price lets a person buy 8 kg more for Rs. 200. Reduced price per kg:

A. Rs. 5

B. Rs. 6

C. Rs. 5.5

D. Rs. 6.25

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
Original price x, consumption y, xy=200. New 0.75x(y+8)=200 → 150 + 6x = 200 → 6x=50 → x=25/3≈8.33, reduced price 0.75*x = 6.25. So Rs. 6.25.

This question belongs to: Maths Percentage

Question #3

Share Report

Two successive increases of 20% and 20% on a price is equivalent to a single increase of:

A. 46%

B. 42%

C. 40%

D. 44%

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option D

Explanation:
1.2 × 1.2 = 1.44, increase 44%.

This question belongs to: Maths Percentage

Explore All Percentage MCQs