Two women were selling marbles in the market place. One at three for a paisa and other at two for paisa. One day both of them were obliged to return home when each had thirty marbles unsold. They put together the two lots of marbles and handing them over to a friend asked her to sell them at five for paisa. According to their calculation. After all, 3 for one paisa and 2 for one paisa was exactly the same as 5 for 2 praise. Now they were expecting to get 25 paisa for the marbles, as they would have got, if sold separately. But much to their surprise they got only 24 paisa for the entire lot. Now where did the one paisa go'?