Question

the average of 10 numbers is zero when -12 and 72 to add to the list what will be the new average?​

Answer 1

Answer:

Sumof6numbers=6×9=54

Newaverage=

6

6×2+54

=

6

12+54

=

6

66

=11

Answer 2

Answer:

$\bold\pink{❥ᴀ᭄ɴsᴡᴇʀ:⤵}$

Step-by-step explanation:

We know that average is calculated as

Total numbers = K

Sum of all K numbers = 2000

Average = 50

Put these values in the above formula,to find K

So total number are 40.

Now 91 is added ,thus total numbers becomes 41.

New average

Thus, New Average is 51.