Question

A drum of kerosene oil is 3/4 full. When 15 litres of oil is drawn from it, it is 7/12 full.Find the total capacity of the drum ?

Answer 1

let the total capacity of drum be.x

the drum is 3/4full=3/4x

when 15 litres of oil is drawn from it is =7/12x

3/4x-15 =7/2x

3/4x-7/2x=15

9x-7x/12=15

2x/12 =15

x=15×12/2

x=15×6

x=90 litres

___________________________hope this helps u

Answer 2

3/4-7/12=15 liters

Let the total Capacity of drum be

3x/4-7x/12=15

9x-7x/12=15

2x/12=15

x=15×6

x=90 Litres