The population of a town is 10,000. It increases by 10% annually. What will be the population after 2 years? MCQ with Answer and Explanation

Question

Share Report Error

The population of a town is 10,000. It increases by 10% annually. What will be the population after 2 years?

A. 12100

B. 11000

C. 12000

D. 12200

Answer: Option A

Solution (By JKSSB Mock Tests)

Population = P * (1 + R/100)^t = 10000 * (1.10)^2 = 10000 * 1.21 = 12100.

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 man's salary was reduced by 20%. By what percent must it be raised to bring it back to the original?

A. 25%

B. 22.5%

C. 20%

D. 30%

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
After reduction 80, to reach 100, increase = (20/80)×100 = 25%.

This question belongs to: Maths Percentage

Question #2

Share Report

In a college, 40% are girls. 50% of the boys and 60% of the girls passed an exam. If 460 students failed, find the total number of students.

A. 800

B. 1000

C. 1100

D. 900

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option B

Explanation:
Total T. Boys=0.6T, girls=0.4T. Passed=0.5×0.6T+0.6×0.4T=0.3T+0.24T=0.54T. Failed=0.46T=460 → T=1000.

This question belongs to: Maths Percentage

Question #3

Share Report

To pass an exam, 40% is required. A student got 150 marks and failed by 30 marks. Maximum marks are:

A. 450

B. 500

C. 400

D. 550

View Answer & Solution Discuss

Get Complete Subject PDF for Maths

Correct Answer: Option A

Explanation:
Pass marks = 150 + 30 = 180. 40% of Max = 180 → Max = 180/0.4 = 450.

This question belongs to: Maths Percentage

Explore All Percentage MCQs