In what ratio water must be added in milk costing ₹60 litre, so that resulting mixture would be worth ₹50 litre ?
Answer & explanation
Correct answer: option 2
The correct answer is option (2) : 1 : 5
Cost of water (c) = ₹0
Cost of milk (d) = ₹ 60 /litre
Cost of resulting mixture (m) = ₹ 50 /litre
So, $\frac{\text{quantity of water}}{\text{quantity of milk}}=\frac{10}{50}=\frac{1}{5}$
Hence, the required ratio is $1: 5$