a bag contains 25 cards from 1 to 25 .a card is drawn random from the cards . find the probability that the drawn card is (a)divisible by 3 and 5 (b) a perfect square number
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(a) numbers divisible by 3 and 5 is 15 only.
Hence probability is 1/25
(b) perfect square numbers are 1, 4, 9, 16 and 25
Hence probability is 5/25 which is 1/5
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