Question

A vessel has 20 liters of a mixture of milk and water having 75% milk. Vessel B has p liters of a mixture of milk and water having 60% milk. The contents of the vessels are mixed to form a mixture having 66% milk. Find the value of p.
1. 80
2. 40
3. 30
4. 50
5. None

Answer 1

Correct Answer - Option 3 : 30

Given:

Quantity of milk in A = 75/100 × (20) = 15 liters

Quantity of milk in B = 60/100 × (p) liters

Calculation:

⇒ 15 + (60/100) × (p) = (66/100) × (20 + p)

⇒ p = 30

∴ The required result is 30 liters.