Measure exactly 2 liters of water.

Measure exactly 2 liters of water if you have:
1) 4 and 5-liter bowls
2) 4 and 3-liter bowls

Answer:
1) Solution for 4 and 5-liter bowls :
a) Fill 4 liters bowl and empty it into 5 liters bowl.
b) Fill 4 liters bowl again and empty 1 liter into 5 liters bowl which has 4 liters already.
c) Empty the 5 liter vessel completely. Now empty the 4 liter bowl which has 3 liters into 5 liters bowl. 5 liters bowl now has 3 liters.
d) Fill the 4 liters bowl and empty 2 liters into 5 liters bowl to make it full. 4 liters bowl now has 2 liters in it.

2) Solution for 4 and 3-liter bowls:
a) Fill 4 liters bowl and empty 3 liters into 3 liters bowl.
b) Empty 3 liters bowl and then empty 1 liter from 4 liter bowl to 3 liter bowl.
c) Fill 4 liter bowl and empty 2liters into 3 liter bowl to make it full. 4 liters bowl now has 2 liters in it.