SOLUTION: Please help me with this question
How many four digit numbers, which are not divisible by 5 can be formed using the digits 2,4,5,7 if the digits are not repeated.
Thank you
Algebra ->
Probability-and-statistics
-> SOLUTION: Please help me with this question
How many four digit numbers, which are not divisible by 5 can be formed using the digits 2,4,5,7 if the digits are not repeated.
Thank you
Log On
How many four digit numbers, which are not divisible by 5 can be formed using the digits 2,4,5,7 if the digits are not repeated.
Thank you :) Answer by jhaashok630(18) (Show Source):
You can put this solution on YOUR website! which are not divisible by 5 can be formed using the digits 2,4,5,7
So last number should not be 5
1st 2nd 3rd 4th Place
3 2 1 3 Possibility
Total number not divisible by 5 : 3*2*1*3 = 18
(