A two digit number is formed with digits 2,3,5,7,9 without repetition. What is the probability that number formed is
1. an even number
2. a multiple of 2
3. divisible by 3
(Please give a correct answer)
If everybody who knows. Please don't give me a wrong answer. lt is a very important question.
Answers
Answered by
0
Step-by-step explanation:
Digits are {22,23,25,27,29,32,33,35,37,39,52,53,55,57,59,72,73,75,77,79,92,93,95,97,99}
∴Total digits are 25
Odd numbers are 20
∴ probability that an odd number is formed is
2520=54
a multiple of 5
Numbers which are multiple of 5 are
{25,35,55,75,95}
∴ probability of multiple of 5 is
255=51
Similar questions