Question

number cards from 21 to 120,a card is drawn, find the probability of composite number less than 40 prime number between 23 and 52 ,,divisible by 6 or 7

Answer 1

P(of composite no.less than 40)= 15/100 = 3/20
P(of prime no.between 23& 52)=5/100 = 1/20
P(of no. divisible by 6 or 7)= 30/120 = 1/4.(Ans)