Tickets numbered from 1 to 20 are mixed up together and then a ticket is drawn at random. What is the probability that the drawn ticket has a number which is a multiple of 3 or 7?
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4
3=6/20
=3/10
7=2/20
=1/10
=2/20+6/20
=8/20
ans=2/5
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0
Answer:
Step-by-step explanation:
3=6/20
=3/10
7=2/20
=1/10
=2/20+6/20
=8/20
ans=2/5
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