Direction: Read the following caselet carefully and answer the following questions.

There are three salesman Raju, Ramu and Rasu who sells Soaps pack and detergents pack. The number of soaps sold by Raju is 20 less than the number of detergents. The ratio between the number of soaps and the number of detergents sold by Ramu is 11 : 4. The difference between the number of soaps and the number of detergents sold by Rasu is 10 (Number of soap is more than number of detergent). The average number of soaps and detergents sold by three is 75. The average number of items sold by Raju is 40. The number of detergents sold by Rasu is 20 less than the number of detergents sold by Raju.