Question

there are 40 cards numbered from 11 to 50.one card is drawn at random.find the probability getting factors of 18, multiples of 3 and 5,even prime number,perfect square​

Answer 1

Answer:

the probability of getting perfect square is

16 ,25,36, 49

4/40= 1/10

the probability of getting multiple of 3 is

12,15,17,21,24,27,30,33,36,39,42,45,47,50

14/40 = 7/20

the probability of getting multiple of 5 is

15, 20,25,30,35,40,45,50

8/40 =2/10

hope it will help you