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(#M40016938) MBA question number systems, progressions Keep an EYE

How many even integers n, where100<= n <= 200, are divisible neither by seven nor by nine?

1) 40
2) 37
3) 38
4) 36

Asked In MBA (11 years ago)

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Durgesh tiwary  (11 years ago)

100 < n < 200,
No of Even integers divisible by 9 = 198-108/18 = 5
No of even integers divisible by 7 = (196-112)/14 = 6
No of even integers divisible by 9 and 7 = 1 [126]

Total no of even integers divisible by either 9 or 7 = 5+6-1 =10
Total no of even integers divisible by neither 9 nor 7 = 48 -10 = 38

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