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Tickets are numbered from 1 to 18 are mixed up together and one ticket is drawn at random.
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Tickets are numbered from 1 to 18 are mixed up...
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Nov 25, 2021
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JackTerrance
Tickets are numbered from 1 to 18 are mixed up together and one ticket is drawn at random. What is the probability that the ticket has a number which is a multiple of 2 or 3. Select the correct answer from above options
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answered
Nov 25, 2021
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JackTerrance
Best answer
Let A: Multiple of 2, A {2 ………………..18), n(A) = 9 B: Multiple of 3, B {3, …………… 18), n(B) = 6 A ∩ B: Multiple of 2 & 3, A B {6, 12, 18}, n(A ∩ B) = 3
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