A container is one fifth full of water. If 40 litres of water is required to fill it up completely, then what is the capacity of container?
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52
let the container capacity= b
one fifth full=(1/5)Xb
more needed to fill it up= 40 litre
i.e.
40 + (1/5)Xb =b
40= b -- (1/5)Xb =4b/5
40 X 5= 4b
200 = 4b
b = 200/4 = 50
Capacity of container= 50
one fifth full=(1/5)Xb
more needed to fill it up= 40 litre
i.e.
40 + (1/5)Xb =b
40= b -- (1/5)Xb =4b/5
40 X 5= 4b
200 = 4b
b = 200/4 = 50
Capacity of container= 50
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1
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