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anonymous
 one year ago
@ganeshie8 How many odd numbers between 50 and 450 can be written as using the digits {0,1,2,3,4,5} ?
anonymous
 one year ago
@ganeshie8 How many odd numbers between 50 and 450 can be written as using the digits {0,1,2,3,4,5} ?

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ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.5First consider only the 3 digit numbers : dw:1439200560957:dw

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.5A number is odd when the last digit is any one of \(\{1, 3, 5\}\) so there are exactly 3 ways to fill that last place, yes ?

mathmate
 one year ago
Best ResponseYou've already chosen the best response.0So how many ways to fill the middle space? and how many ways to fill the first space?

ganeshie8
 one year ago
Best ResponseYou've already chosen the best response.5dw:1439203070936:dw