1.

The mean monthly salary of 10 members of a group is Rs. 1250 one more member whosemonthly salary is 1800 has joined the group. Find the mean monthly salary of 11 members ofthe group?9.

Answer»

mean monthly salary of 10 people is 1250 so total 12500now 11th one is added with 1800so mean is (12500+1800)/11=14300/11=1300



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