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  • Cards with numbers 2to101 are placed in a box a card is selected at random find the probability that the card has a square number

Cards with numbers 2to101 are placed in a box a card is selected at random find the probability that the card has a square number

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Since the total number of cards is 100
To find the probability that the card selected has a number which is a perfect square-
The perfect square between 2 and 101 are 4,9,16,25,36,49,64,81,100
Number of cards having perfect squares are 9
But the total number of cards are 100
So,the probability of getting a number which is a perfect square is frac9100

Posted by

Deependra Verma

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