Question

The ratio of milk and water in $60$ Litres of adulterated milk is $2:1$. If the ratio of milk and water is to be $1:2$, then the amount of water to be added further is

• A. $20Litres$
• B. $30Litres$
• C. $40Litres$
• D. $60Litres$

Answer 1

The correct option is D $60Litres$

In $60litres$ of adulterated milk, water is $=\frac{1}{3}\times 60=20litre$
$Milk=40litre$
Let
According to the question,
amount of water to be added be $x$
$\frac{40}{20+x}=\frac{1}{2}$
$x=60litre$.