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A

Ankit Singh • 5.81K Points
Tutor III
332

(A) 1/2
(B) 3/5
(C) 9/20
(D) 8/15
Correct Answer - Option(C)
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Explanation:

Here, S = {1, 2, 3, 4, ...., 19, 20}.

Let E = event of getting a multiple of 3 or 5 = {3, 6 , 9, 12, 15, 18, 5, 10, 20}.

P(E) = n(E)/n(S) = 9/20.

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