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Sun 22 Jan, 2012 12:29 am
a simple one but not for me I was always hopeless at maths.
An ATM card has a 4 digit number, how many combinations are there.
Not in algebra please that was when I gave up on math at school
@lovejoy,
lovejoy wrote:An ATM card has a 4 digit number, how many combinations are there.
Pad the numbers out with zeroes so each is 4 digits. From 0000 to 9999 is how many numbers?