Distribute the barrel...

CA CS CIMA Prakash Somani (Landmark Group) (23502 Points)

02 September 2008  

there are 21 barrels (7 full,7half full and 7 empty)with a farmer..he wishes to divide them among his three sons such that all the three will have the same number of full barrels,same number of half barrels and same number of empty barrels....how will he distribute to his three sons?