Question

The A.M. of the numbers 2,7,9,x,6 is 7, then the value of x is
(A) 13
(B) 11
(C) Id
(D) &​

Answer 1

B)11

A.M=7

(2+7+9+x+6)/5=7

2+7+9+x+6=35

x=35-24

x=11