Question

The average of 13 scores is 8. If one of the scores 20 is deleted from them, then the average of the
remaining scores is (Can u answer me along with explanation)

A) 10
B) 7
C) 12
D) 14​

Answer 1

Answer:

7

Step-by-step explanation:

this is the most logical answer according to the options, as if such a big score as 20 being removed must result in the average decreasing

Answer 2

Answer:

Answer = 12

Step-by-step explanation:

13 × 8 = 104

104 - 20 = 84

84 ÷7 = 12

I have taken the formula of average, but using equations I have found the sim of observations and then subtracted 20 from it. Then I have divided the number by 7 as one number has been subtracted.