Question

If 8,x,y,z and 20 are in arithmetic progression, find x,y,and z​

Answer 1

x= 11

y=14

z=17

Explanation:

(Last number - first number in series) / numbers from the first to last number in series

(20-8)/4 = 3

8 + 3 = x

x + 3 = y

y + 3 = z

z + 3 = 20