self Maths Puzzle

3. If B gives A Rs 20, A will have twice as much as B. If A gives B Rs 20, B Will have Three Times asmuch as A. How much does each have?

Read Solution (Total 3)

self Other Question

find the number of ways in which a pack of 52 cards can be divided into 4 sets ,three of them having 17 cards and the fourth just one card?


here the answer i 52!/(17!*17!*17!*3!)
plz explain from where 3! has come?
8. Tiling work of a hall with 27 Metres length and 24 Metres breadth is to be done. If Each Square tilewith its side 0.5 Metre costs Rs.8. Find the total Cost of the Tiles?