Answers

2014-11-02T23:28:05+05:30
This is an que of Ap
for A.P,
Sum of n terms=n/2(2a+(n-1)d)
by this formula
sum of terms divisible by 3=1683
                                         5=1050
                         both 3 and 5=225
final ans 1683+1050-225=2508
Here may be calculatn mistake.but idea is correct.check it out>>>>>
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