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How many number from 0 to 999 are not divisible by either 5 or 7? a) 313 b)341 c) 686 d)786?
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How many number from 0 to 999 are not divisible by either 5 or 7? a) 3...
Solution:

Method:


  • Total number of integers from 0 to 999 = 1000

  • Number of integers divisible by 5 = 1000/5 = 200

  • Number of integers divisible by 7 = 1000/7 = 142

  • Number of integers divisible by both 5 and 7 = 1000/(5*7) = 28

  • Number of integers not divisible by either 5 or 7 = 1000 - (200 + 142 - 28) = 686


Answer:

Therefore, the number of integers from 0 to 999 that are not divisible by either 5 or 7 is 686.
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How many number from 0 to 999 are not divisible by either 5 or 7? a) 3...
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How many number from 0 to 999 are not divisible by either 5 or 7? a) 313 b)341 c) 686 d)786?
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