The mean of 5 numbers is 18. If one number is excluded, their mean becomes 16. T

Question

The mean of 5 numbers is 18. If one number is excluded, their mean becomes 16. Then the excluded number is

Options:

A . 18

B . 25

C . 26

D . 30

Answer: Option C
:
C
Sum of total number

= 18 \times 5 = 90

After one number excluded
Sum of total number

= 16 \times 4 = 64

Then, excluded number is

90 - 64 = 26

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