A mixture contains milk and water in the ratio 7:3. How much water must be added to 10 litres of this mixture to make the ratio 1:1?

A 2 L

B 3 L

C 4 L

D 5 L

✓ Correct Answer: Option C

Milk = 7L, Water = 3L. For 1:1 ratio, water needed = 7-3 = 4L.

💡 Why is C) the correct answer?

The correct answer to the question "A mixture contains milk and water in the ratio 7:3. How much water must be added to 10 litres of this mixture to make the ratio 1:1?" is Option C: 4 L.

The other options — A) 2 L, B) 3 L, D) 5 L — are incorrect for this Mathematics question. As explained above: Milk = 7L, Water = 3L. For 1:1 ratio, water needed = 7-3 = 4L.

📚 About This Mathematics Practice Question

This 2-level Mathematics question from the Arithmetic & Number Systems topic is part of One Paper Preparation's free exam preparation library. Each question includes the correct answer and a detailed explanation to help you understand the underlying concept, not just memorize the answer.

How to use this page: Read the question above, consider all four options (A through D), then check the highlighted correct answer and explanation. For active timed practice, start a free Mathematics practice test or use flashcards for spaced repetition review.

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A mixture contains milk and water in the ratio 7:3. How much water must be added to 10 litres of this mixture to make the ratio 1:1?

✓ Correct Answer: Option C

📚 About This Mathematics Practice Question

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