Question 46

A card is drawn from a pack of 100 cards numbered 1 to 100. Find the probability of drawing a number which is square?

Solution

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Here n(S) = 100 (As mentioned in the problem)
Favorable cases to get the square cards = {1, 4, 9, 16, 25, 36, 49, 64, 81, 100}
n(E) = 10
Probability = n(E)/n(S) =10/100=1/10

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