Question

15. A water tank is full After drawing off 16 litres it is just full. What is the capacity
of the water tank?​

Answer 1

Answer:

1/5 water tank is full

let's it 1x/5

if we take 16 liters it be 1/6 let it 1x/6

now eq is 1x/5-16=1x/6

1x-80/5=1x/6

6(1x-80)=5(1x)

6x-480=5x

6x-5x=480

x=480

now x/5=480/5

capacity 480×5=2400 liters

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Answer 2

Answer:

Consider, the tank contains x liters.

Initially, it is 15 full. It means it contains x5 liter.

After drawing 16 liters, it is 16 full. It means, now it contains x6 liter.

So, x5−x6 =16

x=16×30 =480

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