Question

a container weighs 5kg when empty but weighs 13kg and 25kg when it is completely full of water what is the weight of the water it is one-quarter inside the container when it is one-quarter filled with water

Answer 1

if it filled 25 kg it the one qurter will be 9

Explanation:

because to know the weight when it is filled =(25-5)=20kg .

now,

the first quarter =20÷4+4=9kg

Answer 2

10 kg is indeed the answer as given by Dr. Mani. Let us see how that comes. 30 kg minus 26 kg = 1/5 of water. So, weight of water = 5 times 4 = 20 kg.

Explanation: