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The number of numbers from 1-1000 neither divisible by 3 nor 5 nor by 7 is A 67 B 55 C45 D33

The number of numbers from 1-1000 neither divisible by 3 nor 5 nor  by 7 is
A 67
B 55 
C45 
D33

Grade:11

1 Answers

himanshu
14 Points
5 years ago
the numbers devisible by 3 have sum of their nmbers multiple of 3 as well
example   27=>  2+7=9
                141=>  1+4+1=6
same numbers devisible by 5 ends with 5 or 0
and devisible by 7 search on net, also for other numbers from 0-9
 
question is simple all nubers from 1-1000 sustacted by numbers devisible by 3,5,7

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