Question

Three fourth of a 20 litre bucket has been filled with water . How much water is need to fill it Completely?​

Answer 1

given, 3/4 of a bucket of capacity 20 litres has been filled

that means it had filled 3/4*20 litres

that is, it had been filled 15 litres of water .

so, remaining capacity = 20litres -15 litres

= 5 litres

so, the bucket needs to be filled 5 litres more, to be filled completely .