Asked by Sharon


If mean of 1, 2, 3, --------- n is 6n/11, then n is
Answered by Dr Russ
The sum of a series of integers (1,2,3.. n)is

n(n+1)/2

so the mean is the total/n, hence

n(n+1)/2n
=6n/11

solve for n

I got n=11

Answered by Anonymous
Thank you
Answered by parmindar singh
can u pls give a proper brief explaination pls ??
Answered by Shreya sharma
I am not understand your answer
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