20 cards numbered 1,2,3,......20 are put in a box and mixed thoroughly.one card is drawn from the box.find the probability that the number on the card is a perfect square. Solve it
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Answered by
22
As the no. of perfect squares are three, the formula is,
=no. of perfect squares/total no of numbers.
=4/20
therefore 1/5 is the probability of getting the perfect squares
=no. of perfect squares/total no of numbers.
=4/20
therefore 1/5 is the probability of getting the perfect squares
Answered by
8
The probability of the card is a perfect square is 4
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