Mixture 40 L milk-water with 10% water. Water added to make 20%: MCQ with Answer and Explanation

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Mixture 40 L milk-water with 10% water. Water added to make 20%:

A. 8 L

B. 5 L

C. 4 L

D. 6 L

Answer: Option B

Solution (By JKSSB Mock Tests)

Water=4 L, milk=36 L. New total = 36/0.8 = 45 L, water added = 5 L.

This question belongs to: Maths Percentage

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Practice More Percentage Questions

Question #1

A candidate got 65% votes and won by 300 votes. Total votes polled:

A. 1000

B. 900

C. 800

D. 1200

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Correct Answer: Option A

Explanation:
Margin = 30% of total = 300 → total = 1000.

This question belongs to: Maths Percentage

Question #2

A weight is measured as 9.8 kg instead of 10 kg. What is the percentage error?

A. 2%

B. 4%

C. 3%

D. 1%

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Correct Answer: Option A

Explanation:
Error = 10 - 9.8 = 0.2. % Error = (0.2 / 10) * 100 = 2%.

This question belongs to: Maths Percentage

Question #3

Price increased 12% then decreased 12%. Net change:

A. 1.44% decrease

B. 2.4% decrease

C. 1.44% increase

D. No change

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Correct Answer: Option A

Explanation:
1.12×0.88 = 0.9856, 1.44% decrease.

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