Question

if median of following numbers is 13 find the value of x. 3, 6, 7, 10, x, x+4, x+6, 20, 25, 28​

Answer 1

(5+6)/2=13

Putting values

X+x+4/2=13

2x+4=26

2x=22

x=11

X+4=11+4=15