A 60-litre mixture of milk and water contains 20% water. How many litres of water must be added so that water becomes 25% of the new mixture?

A. 6 litres

B. 5 litres

C. 3 litres

D. 4 litres

Doubtly AI Asked 27 Oct 2026 AI-generated · not yet verified ssc cgl Save WhatsApp Report

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Answer: D. 4 litres

Answer: (D) 4 litres

Shortcut: milk stays fixed. Milk = 80% of 60 = 48 L. In the new mixture milk is 75%, so new total = 48 ÷ 0.75 = 64 L.

Water to add = 64 − 60 = 4 L.

Doubtly AI · 27 Oct 2026 AI-generated · not yet verified Report

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