Question

A drum cntains 250 liters kerosene oil.5%oil leaks outside.what precent of oil is remaining in container?

Answer 1

total kerosene = 250
leak kerosene = 5% of total kerosene
........ = (250×5)/ 100 = 12.5 liters

so remaining kerosene = 250-12.5 = 237.5liters