A population increases by 5% yearly. Its present population is 88,200. What was it 2 years ago? MCQ with Answer and Explanation

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A population increases by 5% yearly. Its present population is 88,200. What was it 2 years ago?

A. 82000

B. 84000

C. 78000

D. 80000

Answer: Option D

Solution (By JKSSB Mock Tests)

P_past = 88200 / (1.05)^2 = 88200 / 1.1025 = 80000.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

If 15% of a number is 75, the number is:

A. 450

B. 600

C. 400

D. 500

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Correct Answer: Option D

Explanation:
Let the number be x. 15% of x = 75 → 0.15x = 75 → x = 75 / 0.15 = 500.

This question belongs to: Maths Percentage

Question #2

20% of 500 is:

A. 90

B. 110

C. 100

D. 80

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Correct Answer: Option C

Explanation:
0.2 × 500 = 100.

This question belongs to: Maths Percentage

Question #3

In a class of 50 students, 40% are girls. If 10% of boys and 20% of girls wear spectacles, how many students wear spectacles?

A. 6

B. 9

C. 7

D. 8

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Correct Answer: Option C

Explanation:
Boys=30, girls=20. Spectacles: 10% of 30=3, 20% of 20=4, total 7.

This question belongs to: Maths Percentage

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