Question

If the mean of number 27 ,x,89,107,156is 82 then the number of 130, 126,68,50,x is

Answer 1

Given, the mean of number 27 ,x,89,107,156 as  82

Lets find the value of x...

(27 + x + 89 + 107 + 156) / 5 = 82

we get, x = 31

Now Finding  mean for the new series: 130, 126,68,50,x

(130+126+68+50+x) / 5 = (130+126+68+50+31) / 5 =  81