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A box contains 30 tiles numbered 1 to 30. If a tile is drawn at random, what is the probability that the number drawn is a multiple of 2 or a multiple of 5? A 7/10 B 3/5 C 7/20 …

A box contains 30 tiles numbered 1 to 30. If a tile is drawn at random, what is the probability that the number drawn is a multiple of 2 or a multiple of 5? A 7/10 B 3/5 C 7/20 …
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A box contains 30 tiles numbered 1 to 30. If a tile is drawn at random, what is the probability that the number drawn is a multiple of 2 or a multiple of 5?

A 7/10
B 3/5
C 7/20
D 3/10

User Davinder Goel
by
7.6k points

2 Answers

5 votes
it is B,..........................
User Ppcano
by
7.9k points
0 votes
B................. numerator is 15+6-30, inclusion exclusion principle
User Juline
by
7.9k points
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