In a 40-litre mixture of milk and water, the ratio is 3:2. How many litres of water must be added to change the ratio to 1:2? MCQ with Answer and Explanation

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In a 40-litre mixture of milk and water, the ratio is 3:2. How many litres of water must be added to change the ratio to 1:2?

A. 32 L

B. 36 L

C. 28 L

D. 24 L

Answer: Option A

Solution (By JKSSB Mock Tests)

Milk = 24, water = 16. For milk:water = 1:2, water = 48, add 32 L.

This question belongs to: Maths Percentage

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20 is what percent of 80?

A. 25%

B. 30%

C. 20%

D. 35%

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Correct Answer: Option A

Explanation:
(20/80)×100 = 25%.

This question belongs to: Maths Percentage

Question #2

Side of square increased 15%. % increase in area:

A. 32.25%

B. 35%

C. 40%

D. 30%

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Correct Answer: Option A

Explanation:
Area multiplier = 1.15² = 1.3225, increase 32.25%.

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Question #3

A's income is 40% more than B's, and B's income is 25% less than C's. If C's income is Rs. 8000, A's income is:

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Correct Answer: Option B

Explanation:
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