The mean of 2,7,6 and x is 5 and the mean of 18,1,6,x and y is 10 What is the value of y

The average of 2, 7, 6 and x is 5 and the average of 18, 1, 6, x and y is 10. What is the value of y ? (a) 5 (b) 10 (c) 20 (d) 30

If the mean of 6,11,x,8 and 5 is 8,what is the value of x?

If the mean of 4, x, and y is 6, then find the mean of x, y, and 10.

The geometric mean of x and y is 6 and the geometric mean of x, y and z is also 6. Then the value of z is

If the mean of 3, 4, x, 7, 10 is 6 then the value of x is

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

If the mean of 4, x and y is 6 , then the mean of x, y and 10 is ______.