Question

If $1$ litre of milk costs $Rs19\frac{1}{5}$, what is the cost of $6\frac{1}{4}$ litres of milk?

• A. Rs$820$
• B. Rs$320$
• C. Rs$120$
• D. Rs$220$

Answer 1

Answer: (C)

Rs$120$

$1litre$ milk cost$=Rs19\frac{1}{5}$

Then

$6\frac{1}{4}$ milk cost$=6\frac{1}{4}\times 19\frac{1}{5}$

$=\frac{25}{4}\times \frac{96}{5}$

$=5\times 24$

$=120$

Hence, cost of $6\frac{1}{4}$litres of milk is $Rs120$