The files were thrown away.

Two dice were thrown and it is known that the numbers which come up were different. Find the probability that the sum of the two numbers was 5.

The files you were look for are placed on the table.

A shopkeeper purchased 200 bulbs for Rs10 each.However 5 bulbs were fused and had to be thrown away.The remaining were sold at Rs 12 each.Find the gain or loss %.