Question

There are 20 discs numbered 1 to 20. They are put in a closed box and shaken
thoroughly. A disc is drawn at random from the box.
Find the probability that the number on the disc is:
(i) An odd number
(ii) Divisible by 5.
(iii) A number less than 12.

Answer 1

Answer:

i)10/20

ii) 5/20

iii) 11/20

Answer 2

Answer:

1. 10/20= 1/2

2. 4/20 = 1/5

3. 11/20

I hope it's helpful....