What is the median value of the set r, if for every term in the set, ? (1) the first term of set r is 15. (2) the mean of set r is 36.

36

Step-by-step explanation:

Given that

is given

First term is 15

This is an arithmetic series with a =15 and d =3

If n is the number of terms, then we have

Sum of n terms = 36 xn = 36n

But as per arithmetic progression rule

When there are n terms we have middle term is the 8th term

Hence median is 8th term

=