The mean of 5 observation 3, 5, 6, x and 11 is 7, find the value of x.

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find the value of x

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find : the value of x ,

If the mean of observations 14, 5, 4, 8, 2, 3, x is x, then find the value of x

If the mean of 5, 7, x, 10, 5, and 7 is 7, then find the value of x.

If the mean of observations x,x+2,x+4,x+6 and x+8 is 11, find the mean of the first three obervations.

If the mean of 4, 6, x, 9, 10, 5 is 7, find the value of x.

The mean of 7,5,8,p and 11 is 8. Find the value of p.

If the mean of the observation x, x+3, x+5, x+7 and x+10 is 9, then mean of the last three observations is

If the mean of 5 observiation x , x+2, x+4 x+6, and x + 8 is 11 , find the value of x ,

If the mean of 5 observations x , x+2, x+4, x+6 and x+8 is 11, then the mean of the last three observations is (a) 11 (b) 13 (c) 15 (d) 17