Question

what amount is 20percent less than rupees 60

Answer 1

20% less than 60 = 60 - 20% of 60 = 60 - 0.2 * 60 = 60 - 12 = 48.

Answer 2

60-20% of 60
$60 - \frac{20}{100} \times 60 \\ 60 - 12$
=48