Question

Probability.At a fete cards bearing no.s 1-500, one on each card are put in a box Each player selects one card at random and that card is not replaced.If the Selected card bears a no.which is perfect square of an even no the player wins the price
(I)what is the probability that the first player wins a print ?
(II)The second player wins price ,if the first has not win.

Answer 1

i) 11/500 (as there are only 11 perfect square that are even between 1--500)

ii) 11/499 (as the first player took one card so there will be no chance of choosing it again)