18 is what percentage of 120? MCQ with Answer and Explanation

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18 is what percentage of 120?

A. 20%

B. 15%

C. 12%

D. 18%

Answer: Option B

Solution (By JKSSB Mock Tests)

(18 / 120) * 100% = (3 / 20) * 100% = 15%.

This question belongs to: Maths Percentage

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Question #1

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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. 1100

C. 900

D. 1000

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Correct Answer: Option D

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.

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Question #2

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Cost of 25 items = SP of 20 items. Profit %:

A. 30%

B. 20%

C. 25%

D. 22.5%

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Correct Answer: Option C

Explanation:
Profit = (5/20)×100 = 25%.

This question belongs to: Maths Percentage

Question #3

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A man spends 70% of his income. If he saves Rs. 3000, what is his total income?

A. 10000

B. 8000

C. 12000

D. 9000

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Correct Answer: Option A

Explanation:
Savings = 100% - 70% = 30%. 30% of Income = 3000. Income = 3000 * (100 / 30) = 10000.

This question belongs to: Maths Percentage

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