1.You have 2 containers - Container A is at 3 litres and Container B is at 5 litres. 2. Exert for the marking showing that shows the total capacity both containers have NO other markings
3. You have a unlimited supply of water. You do not have ANY measuring cups/jugs etc
4. How can you use the containers and water so that Container B has exactly 4 litres of water??


Please help me out with this one! No need to show working out.