Question

The average of first 9 multiples of 3 is
a) 12
b) 12.5 c)15 d)18.5​

Answer 1

Answer:

when you multiplied of 9three times and divide by 3

then your answer=19

Answer 2

Answer:

Average of 9 multiples of 3 = 3+6+9+12+15+18+21+24+27÷9 = 111

Upper answer is totally wrong