There are 25 discs numbered 1 to 25. They are put in a closed box and shaken thoroughly

Probability (10)

There are 25 discs numbered 1 to 25. 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:

  1. an odd number
  2. divisible by 2 and 3 both.
  3. a number less than 16.

Answer

  • Exam Year: 2019