Question

What is the probability that a number selected from the number 1 to 20 is a multiple of 3

Answer 1

Answer:

70%

Step-by-step explanation:

Between 1 and 20, there are 6 multiples of 3 - 3, 6, 9, 12, 15 and 18.

So, Probability that a number is not a multiple of 3 = (20–6)/20

= 14/20

= 7/10

That is, 70%.

Answer 2

Answer:

3 6 9 12 15 18

Step-by-step explanation:

3×1=3 3×2=6 3×3=9 3×4=12 3×5=15 3×6=18