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OpenStudy (anonymous):
If we have forgotten our pin-password of our mobile, which is a four-digit number, but remember the numbers it contains even 1,3,5,7, how many different codes can be made from the above numbers?
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OpenStudy (anonymous):
This is 4! so 24 right?
OpenStudy (oaktree):
Bingo.
OpenStudy (anonymous):
yep
OpenStudy (oaktree):
Thanks for the medal.
OpenStudy (anonymous):
Thank you!!
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