how many three digit number that multiply in3
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The 3digit numbers are 100,101.102,103.....999
among these multiple of 3 are
102,105,108.......999
they are in Arithematic Progression
whose first term is 102,common difference is 3 last term is 999
Tn=a+(n-1)d=999
102+(n-1)3=999
(n-1)3=999-102
n-1=897/3
n=1+897/3
n=(3+897)/3
n=900/3
n=300
there are 300 such numbers
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