We have numbered cards from 1 to 20 and picked one at random. Find the probability that the card picked is numbered a multiple of 2 or 5.
a. 7/10 b. 3/5 c. 1/2 d. 1/5
a. 7/10 b. 3/5 c. 1/2 d. 1/5
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Answer:
total number of outcomes are 20
favourable number of outcomes are 2, 4, 5,6, 8, 10, 12, 14, 15, 16, 18, 20 = 12
so the probability= 12/20 = 3/5
Answer is b. 3/5
hope it helps you