Question

The average of 8 numbers is 12 if one of them exceeds the average of remaining by 8 then the number is

Answer 1

Step-by-step explanation:

GIVEN :

The average of 8 numbers is 12 if one of them exceeds the average of remaining by 8 then the number is

TO find :

the average of remaining by 8 then the number is

SOLUTION :

the required number be x.

• 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