Math Central - mathcentral.uregina.ca
Quandaries & Queries
Q & Q
3 digit lock
One item is filed under this topic.
A briefcase lock
A briefcase lock has 3 columns of numbers each 0-9. It opens with the correct combination of three numbers. How many combinations are possible to open the lock.
Answered by Penny Nom.
Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences.
about math central
notre site français