Question

please answer.............

Answer 1

First you take 5 gallons of water cup and pour in the tank
Now take the mug of 3 gallons and remove the 5 gallons of water pored in the tank 2.
Which remains us with 2 gallons of water in tank 2
Now again take the 5 gallons of mug and pour it in 3 gallons mug , as the quantity of it is just 3 .
2 gallons will remain in the 5 gallon mug
Pour it in tank 2
We already have 2 gallons by adding this 2 gallons we will get 4 gallons of water