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