Question

the mean of five number is 30. if one more number is included, the mean still remain 30. find the included number

Answer 1

Answer:

Included number=30

Step-by-step explanation:

Mean of five numbers =30

No of more number included=1

After including, mean = 30

Now,

30×5=150

30x6=180

Included no= 180-150

=30