Question

card with no. 2 to 101 are placed in a box .A card is selected at random .Find the probability that the cards has an even no.and a squared no.

Answer 1

(a)Total outcome= 99
even no. outcome=2,4,6,8,10,12,14,16,18,20,22,24,26,28,30,32,34,36,38,40,42,44,46,4850,52,54,56,58,60,62,64,66,68,70,72,74,76,78,80,82,84,86,88,90,92,94,96,98,100,102
=51
p(even no.)= total no. of even no. / total no. of out come
=51/99
=17/33
(b) Total no. of outcome = 99
Squred no. = 4,9,16,25,36,49,64,81,100
= 9
p(squred no. ) = total no. of squred no. /
total no. of outcome
= 9/99
=1/11


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