A. 12
B. 9
C. 3
D. 16
Mean = numbers of multiples/ sum of multiples of first five of 3
The average of the first five multiples of 3
= 3 + 6 +9 + 12 + 15 / 5
= 45/ 5
= 9
A. 12
B. 9
C. 3
D. 16
Mean = numbers of multiples/ sum of multiples of first five of 3
The average of the first five multiples of 3
= 3 + 6 +9 + 12 + 15 / 5
= 45/ 5
= 9