In what ratio must water be mixed with milk, costing ₹32 per litre, in order to get a mixture costing ₹28 per litre?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2 i.e. 1 : 7
Given that
Water must be mixed with milk, costing ₹32 per litre, in order to get a mixture costing ₹28 per litre
Let the cost of water be ₹ 0 per liter
By using alligation method
Hence, water must be mixed with milk in ratio of 1:7