Prakash spends 20% of his monthly income on scooter petrol, 1/5 of the salary on house rent and the balance on food. If he spends Rs.400 on petrol, then what is the expenditure on food?
1200
20% of x = 400
x= 2000
Expenditure on food = 60% of 2000
= 60*20 = 1200