Question

The mean of five numbers is 5. If one of the five numbers is removed, the mean becomes 6. What is the value of the number that was removed?

Answer 1

1

Explanation:

mean of 5 numbers=5

total of 5 numbers=5×5=25

mean of 4 numbers=6

total of 4 numbers=6×4=24

5th number=25-24=1