A drink of chocolate and milk contains 8% pure chocolate by volume. If 10 litres of pure milk are added to 50 litres of this drink, the percentage of chocolate in the new drink is:

Answer: Option A

Solution

Answer: Option A

Solution:

Chocolate → 8% of 50 litres ⇒ 4 litres

$$\frac{4}{60}\times 100\Rightarrow 6\frac{2}{3}\%$$