Question

A drum of water was 2/3 full. when 20 litres were drawn from it, it became half full. what was the capacity of the drum and how much water did the drum contain when it was 2/3 full ?

Answer 1

Hey mate !!!!!!!!
Let the capacity of drum be x litres.
The water in drum is 2/3x
according to question,
2/3x-20=1/2
(2/3-1/2)x=20
1/6x=20
x=120 .
Therefore the capacity of tank is 120 litres.
Water in drum when it is 2/3rd fill =2/3×120=80
=80 litres

HOPE IT HELPS!!!!!!!!!.
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Answer 2

Answer:

The capacity of the drum when filled is 120 litres and when it was 2/3 full it had 80 litres.

Step-by-step explanation:

As per the given data, A drum of water was 2/3 full.

When 20 liters were drawn from it, it became half full.

We have to find out the drum's capacity and how much water it contained when it was 2/3 full.

Let the capacity of the drum be X when filled.

As we know, 20 liters were drawn out from the drum.

So, the equation can be written as  $\frac{2}{3} X-20=\frac{1}{2} X$

So, $\frac{2}{3}X-\frac{1}{2} X=20$

$\frac{4}{6}X-\frac{3}{6}X=20$

$\frac{1}{6}X=20$

$X=20\times6$

$X=120 litres$

When the drum was 2/3rd full the water contained by the drum was $\frac{2}{3}\times120=80 litres$

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