Question

The mean of 5number is 18 of one number was removed the mean other remaining number become 16 find the number which was removed​

Answer 1

Answer:

26

Step-by-step explanation:

(a + b + c + d + e) / 5 = 18

a + b + c + d + e = 18 X 5 = 90

a + b + c + d = 90 - e --------------(i)

(a + b + c + d) / 4 = 16

a + b + c + d = 64 -----------(ii)

from (i) and (ii),

64 = 90 - e

e = 90 - 64 = 26