Population 12000, first year +5%, second year -5%. Population after 2 years: MCQ with Answer and Explanation

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Population 12000, first year +5%, second year -5%. Population after 2 years:

A. 12030

B. 12000

C. 11940

D. 11970

Answer: Option D

Solution (By JKSSB Mock Tests)

12000×1.05×0.95 = 11970.

This question belongs to: Maths Percentage

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Question #1

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A student gets 200 marks and fails by 25 marks. If the passing marks are 45%, find the maximum marks.

A. 600

B. 550

C. 450

D. 500

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Correct Answer: Option D

Explanation:
Passing marks = 200 + 25 = 225. 45% of Maximum = 225. Maximum = 225 * (100 / 45) = 500.

This question belongs to: Maths Percentage

Question #2

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20 is what percent of 80?

A. 35%

B. 30%

C. 20%

D. 25%

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Correct Answer: Option D

Explanation:
(20/80)×100 = 25%.

This question belongs to: Maths Percentage

Question #3

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In a village of 5000, 40% are below poverty line. Number not below poverty line:

A. 3000

B. 2500

C. 3500

D. 2000

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Correct Answer: Option A

Explanation:
60% of 5000 = 3000.

This question belongs to: Maths Percentage

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