Question

A drum of kerosene oil is 3/4 full.When 15 liters of oil is dawn from it it is 7/12 full.Find the total capacity of the drum​

Answer 1

let drum full capacity be 'x'liters

initially 3/4full i.e, (3/4)x

now 15liter oil is drawn

(3/4)x-15

now drum became (7/12)x

hence,

(3/4)x-15=(7/12)x

x=90 liters