Question

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

Answer 1

Answer:

Perfect squares in 1-100 = (1,4,9,16,25,36,49,64,81,100) = 10 perfect squares

Total cards = 100

P(drawing card having perfect square no.) = 10/100 = 1/10

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Answer 2

According to the Question :-

Number of square numbers = 10

1² 2² 3² 4² 5² 6² 7² 8² 9² 10² = 1 , 4 ,9 25 , 36 ,49 , 64 ,81 ,100

Total number of cards = 100

P(square numbers) = $\bf\huge\frac{10}{100}$

= $\bf\huge\frac{1}{10}$