Question

The mean of 5 numbers is 30 if one number is excluded there mean becomes 28 find the excluded number

Answer 1

Answer:

let the number is x

x+x+x+x+x=30

5x=30

5x-x=28

4x=28

x=28/4

x=8

there are 5numbers one number excluded

the answer is 2

Answer 2

Answer:

hope it was helpful :)