Chocolate cost is Rs.1 and if we return 3 wrappers (covers) of chocolate we get 1 more chocolate. If you have Rs.15 how many chocolates do you get ?
Answer : I have Rs.15 = 15 Chocolates + 15 wrappers(covers)...
A group of friends goes for dinner and gets bill of Rs 2400. Two of them says that they have forgotten their purse so remaining make an extra contribution of Rs 100 to pay up the bill. Tell the no. of person in that group ?
Answer : Let 'x' be the number of perons in the group...