Question

. The mean monthly salary of 10 members of a group is ` 1445, one more member whose monthly salary is ` 1500 has joined the group. Find the mean monthly salary of 11 members of the group.

Answer 1

hence the ans. will be 1450

Answer 2

mean of 10 member=1445
total money=1445*10
                     14450
total salry with the 11 member=14450+1500
                                                   15950
mean of 11 member=15950/11
                                  1450