which of the following is the answer
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Answer:
(A) 35
Step-by-step explanation:
Given that the tank is 3/7 full of water
And let the full quantity of water be 1
So, the amount of water needed to be filled
= 1 - (3/7)
= 4/7
Now, given that if 20 litres more is added then the tank becomes full
And 4/7 of the tank is empty
4/7 of the whole tank = 20
The amount of water that the tank can hold
= 20×7/4
=35 litres (Ans.)
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