Question

A small vessel is used to take out oil from a larger vessel full of oil . The capacity of the the small vessel is 3/50 of the volume of oil contained in the larger vessel . If the small vessel is filled 15 times to draw out oil from the larger vessel ,what fraction of the original volume of oil is left in the larger vessel ?

Answer 1

Capacity of small vessel = 3/50 =6%
In 15 times capacity emoted =90%
Original volume left in large vessels =10% = 1/10