Convert 2/5 into a percentage. MCQ with Answer and Explanation

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Convert 2/5 into a percentage.

A. 30%

B. 50%

C. 20%

D. 40%

Answer: Option D

Solution (By JKSSB Mock Tests)

2/5 × 100 = 40%.

This question belongs to: Maths Percentage

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Question #1

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65% of a number is 21 less than 80%. Number is:

A. 130

B. 140

C. 150

D. 120

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Correct Answer: Option B

Explanation:
0.8x - 0.65x = 21 → 0.15x = 21 → x = 140.

This question belongs to: Maths Percentage

Question #2

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The population of a village is 5,000. It increases by 20% annually. What will be the population after 2 years?

A. 7000

B. 7200

C. 6000

D. 7400

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Correct Answer: Option B

Explanation:
Population = 5000 * (1.20)^2 = 5000 * 1.44 = 7200.

This question belongs to: Maths Percentage

Question #3

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20% of 50 + 30% of 60 equals:

A. 30

B. 28

C. 34

D. 32

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Correct Answer: Option B

Explanation:
20% of 50 = 10, 30% of 60 = 18, sum = 28.

This question belongs to: Maths Percentage

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