Question

if 3 litre of petrol cost rupees 180 how much petrol will cost rupees 1728

Answer 1

$cost \: of \: 3 \: litre \: petrol = 180 \\amount \: of \: petrol \: on \: 1728rs \: = \frac{1728}{3} \\ \: \: \: \: = 576 \: litres$