Two numbers are 20% and 30% more than a third. Ratio of the two numbers: MCQ with Answer and Explanation

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Two numbers are 20% and 30% more than a third. Ratio of the two numbers:

A. 13:14

B. 11:12

C. 12:13

D. 10:11

Answer: Option C

Solution (By JKSSB Mock Tests)

Third=100, first=120, second=130, ratio 120:130 = 12:13.

This question belongs to: Maths Percentage

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Question #1

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In a school, 60% are boys and 40% are girls. 20% of boys and 25% of girls get scholarship. What percent of students do not get scholarship?

A. 74%

B. 78%

C. 76%

D. 80%

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Correct Answer: Option B

Explanation:
Scholarship boys = 0.6×0.2 = 12% of total, girls = 0.4×0.25 = 10% of total. Total scholarship = 22%, without = 78%.

This question belongs to: Maths Percentage

Question #2

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Price of an article is cut by 25%. By what % must consumption increase so that expenditure remains same?

A. 30%

B. 33.33%

C. 20%

D. 25%

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Correct Answer: Option B

Explanation:
New price 0.75, multiplier needed = 1/0.75 = 4/3, increase 33.33%.

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Question #3

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

A. 22100

B. 22050

C. 21000

D. 22000

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Correct Answer: Option B

Explanation:
Population = 20000 * (1.05)^2 = 20000 * 1.1025 = 22050.

This question belongs to: Maths Percentage

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