How many three digit numbers divisible by 5 can be formed using any of the digits from 0 to 9 such that none of the digits can be repeated?
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an =a+(n-1)d
5,10,15.............995
an=995
a=5
d=5
995=5+(n-1)5
995=5+5n-5
995=5n
995÷5=n
n=199
5,10,15.............995
an=995
a=5
d=5
995=5+(n-1)5
995=5+5n-5
995=5n
995÷5=n
n=199
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