If the company has issued 6 lakh shares between its five partners and if Chinmay offers to sell 15000 of his shares to Ejaz, then Ejaz will have how many shares?
The mean of marks secured by 30 students in division-A of class X is 67, 55 students of division-B is 63 and that of 40 students of division-C is 61. What is the mean of marks of the students of three divisions of Class X?