Question

Cards bearing numbers 3 to 20 are placed in a bag and
mund thoroughly. A card is taken out from the bag at
random. What is the probability that the number on the
aard taken out is an even number?
[Delhi 2008 C]​

Answer 1

Answer:

Total cards (3,4,5...20)=18

no. of even cards =9

probability of getting even card = 9/18 =1/2

Answer 2

Answer:

no. of favourable outcomes = 9

total no. of possible outcomes = 18

probability that the no. on the card taken out is an even no. = 18 ÷ 9 = 2