Question

Find the number of integers between 100 and 1000 that are not divisivle bt 7

Answer 1

111,122,123,134,179,950,478,698,499,247,796,586,864and 238

Answer 2

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Now, there are 899 numbers between 100 and 1000. So, 899−128=771 numbers are not divisible by 7 between 100 and 1000.