Question

A two digit number is formed with digit 2,3,5,7,9 without repetition. What is the probability that the number formed is odd number?

Answer 1

Answer:

Digits are 23,25,27,29,32,33,35,37,39,52,53,55,57,59,72,73,75,77,79,92,93,95,97,99

Total digits are 25

Odd numbers are 19

probability is 19/25

25,35,55,75,95 are divisible by 5

Then answer is 5/25

Step-by-step explanation: