Mathematics
The mean of the number 6, y, 7, x and 14 is 8. Express y in terms of x.
Related Questions
(a) Find the mean of 7, 11, 6, 5 and 6.
(b) If each number given in (a) is diminished by 2; find the new value of mean.
If the mean of 6, 4, 7, a and 10 is 8, find the value of 'a'.
The ages of 40 students are given in the following table :
Age (in years) Frequency 12 2 13 4 14 6 15 9 16 8 17 7 18 4 Find the arithmetic mean.
If 69.5 is the mean of 72, 70, x, 62, 50, 71, 90, 64, 58 and 82 : find the value of x.