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Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?A. 1/2B. 2/5C. 8/15D. 9/20

Question

Tickets numbered 1 to 20 are mixed up and then a ticket is drawn at random. What is the probability that the ticket drawn has a number which is a multiple of 3 or 5?

A. 1/2
B. 2/5
C. 8/15
D. 9/20

check_circleAnswer
Step 1

The multiples of 3 between 1 and 20 are 3,6,9,12,15,18

The multiples of 5 between 1 and 20 are 5,10,15,20

So the numbers that needs to be picked are 3,5,6,9,10,12,15,18,20

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Tagged in

Math

Probability

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