Question

The mean of five number is 18.If one number is excluded their mean is 16.The excluded number is

Answer 1

Answer:

the excluded number is 2

Answer 2

ANSWER........................,

The mean of 5 number = 18

The sum of 5 number = 5 × 18 = 90

If one number is excluded ,

Then mean of 4 number = 16

Sum of 4 number =4 × 16 = 64

∴excluded number = 90 - 64 = 26