Question

a box contains 24 balls from 1 to 24 one ball is drawn at random find the probability that the ball drawn has a number which is a multiple of 3 or 4 ​

Answer 1

Step-by-step explanation:

multiples of 3= 3,6,9,12,15,18,21,24=8

so,P(A)=8/24

multiples of 4=4,8,12,16,20,24=6

so,P(B)=6/24

probability that the ball has a no. which is a multiple of 3or 4=P(A) or P(B)=

P(A)+P(B)=8/24+6/24=14/24=7/12