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## A bag contains 25 cards numbered from 1 to 25. A card is drawn at random from the bag. Find the probability that the number on the drawn card is: Mathematics CBSE class 10 2015

##### A bag contains 25 cards numbered from 1 to 25. A card is drawn at random from the bag. Find the probability that the number on the drawn card is:(i) divisible by 3 or 5(ii) a perfect square number

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Let S be the sample space i.e  bag contains cards numbered from 1 to 25.
n(S)  = 25
A be event of getting the number on this card is divisible by both 2 and 3 is
n(A) = { 6,12,18,24} = 4
P(A) = n(A) / P(A) = 4/ 25.

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