Question

The mean and median of the following are same. find
the value of x if the numbers
are arranged in ascending order. 1,3, 4, x 10, 15, 21​

Answer 1

Answer:

x = 9

Step-by-step explanation:

Mean = Average of Numbers

Median = The middle number of the sequence

∵ ( 1 + 3 + 4 + x + 10 + 15 + 21) / 7 = Median

54 + x / 7 = x

54 + x= 7x

54 = 6x

∴ x = 9