Question

The average of 8 numbers is 12. If one of them exceeds the average of remaining by 8. The number is

Answer 1

Answer:

The required number is 19.

Step-by-step explanation:

Let the required number be x.

Given that average of 8 numbers is 12.

We know that,

Average = total sum/quantity of numbers

12 = total sum/8

So, total sum of 8 numbers = 96

Now given that the required number exceeds the average of 7 numbers by 8.

Therefore, x = (96 - x)/7 + 8

8x = 152

x = 19

Answer 2

Step-by-step explanation:

refer to the above attachment:

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