A bag contains cards numbered from 2 to 90. A card drawn at random .Find probability of (a)two digit number(b)number that is perfect square
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Answer: i) it is 88/90
ii)it is 8/90
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no of total outcomes = 91
a)
favourable outcomes =83
probability = 83/91
b)favourable outcomes =8
probability = 8/91
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