Description:
প্রশ্ন: A container full of water weighs 20 kg . If one -fourth of the container is full of water. it weighs 8 kg . What is the weight of the empty container?
ব্যাখ্যা:
Let, weight of empty container is x.
20 - x /4 = 8 - x
20 - x = 32 - 4x
3x = 12
x = 4