Ratio of two numbers 3:4. First increased 10%, second 20%. New ratio: MCQ with Answer and Explanation

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Ratio of two numbers 3:4. First increased 10%, second 20%. New ratio:

A. 11:16

B. 11:15

C. 12:17

D. 33:44

Answer: Option A

Solution (By JKSSB Mock Tests)

First = 3.3, second = 4.8, ratio = 33:48 = 11:16.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

What percent of 80 is 24?

A. 25%

B. 30%

C. 35%

D. 40%

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Correct Answer: Option B

Explanation:
(24/80) × 100 = 30%.

This question belongs to: Maths Percentage

Question #2

If the numerator of a fraction is increased by 20% and its denominator is decreased by 10%, the fraction becomes 3/5. Find the original fraction.

A. 2/5

B. 9/20

C. 4/7

D. 7/15

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Correct Answer: Option B

Explanation:
Let original = N/D. (1.2N)/(0.9D) = (4/3)(N/D) = 3/5 → N/D = (3/5)×(3/4) = 9/20.

This question belongs to: Maths Percentage

Question #3

If A is twice of B, then B is what percentage less than A?

A. 100%

B. 75%

C. 50%

D. 25%

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Correct Answer: Option C

Explanation:
A = 2B. Difference is B. Percentage less = (B / A) * 100 = (B / 2B) * 100 = 50%.

This question belongs to: Maths Percentage

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