What is the average of the first 5 multiples of 12?
A60
B36
C48
D50
Answer:
B. 36
Read Explanation:
The first 5 multiples of 12 are
12, 12 x 2, 12 x 3, 12 x 4, 12 x 5
= 12 (1 + 2 + 3 + 4 + 5)
= 12 x 15
The average of the first 5 multiples of 12
= (12 x 15) / 5
= 12 x 3
= 36