72% passed an exam. Failures = 560. Total examinees: MCQ with Answer and Explanation

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

A. 2000

B. 1800

C. 2500

D. 2200

Answer: Option A

Solution (By JKSSB Mock Tests)

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

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

20% of a number is 30. 60% of that number is:

A. 90

B. 100

C. 60

D. 80

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Correct Answer: Option A

Explanation:
Number = 30/0.2 = 150; 60% of 150 = 90.

This question belongs to: Maths Percentage

Question #2

A man's income is Rs. 25000. He spends 40% on food, 30% on rent, 20% on other items and saves the rest. By what percent should he reduce his food expenditure to increase his savings by 20%?

A. 5%

B. 7%

C. 4%

D. 6%

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Correct Answer: Option A

Explanation:
Present savings = 10% of 25000 = 2500. New savings = 3000. Reduction in food = 500. Food = 10000, % reduction = (500/10000)×100 = 5%.

This question belongs to: Maths Percentage

Question #3

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

A. 12000

B. 11000

C. 12200

D. 12100

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Correct Answer: Option D

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

This question belongs to: Maths Percentage

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