Question

The mean of 10 number is 55 if one number is excluded there mean you because 50 the Excluded number is

Answer 1

Answer-100

If mean of 10 numbers is 55 then sum of 10 numbers is 550.

Let the number excluded be x. Then (550-x)/9=50

Then,

550-x=450

X=100

Answer 2

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

The mean of 10 number = 55

The sum of 10 number = 10 × 55 = 550

If one number is excluded ,

Then mean of 9 number = 50

Sum of 9 number = 9 × 50 = 450

∴excluded number = 550 - 450 =1 00