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How many numbers among 1, 2, 3, ..., 1000 are not divisible by 9?

 Oct 5, 2021
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111 numbers ARE divisible by 9 out of the thousand  ( 9   18  27 ....... 990  999)

 

means     1000-111 = 889 numbers ARE NOT  divisible by '9'

 Oct 5, 2021
edited by ElectricPavlov  Oct 5, 2021

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