Question

A bag contains cards numbered from 1 to 100. A card is drawn at random from the bag. Find the probability that the card drawn is (a) a multiple of 5 (b) a prime number less than 50 (c) a number greater than or equal to 80 (d) an even number​

Answer 1

Answer:

(a) the probability of getting a multiple of 5 is 20/100=1/5

(d) the probability of getting an even number is 50/100=1/2

i don't understand the option (b) &(c)