How many integers between 1 and 200 are divisible by 7 or 11 ?
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|A∪B|=|A|+|B|−|A∩B|
No. of numbers between 1 and 200 divisible by 7 (setA)
=⌊2007⌋
=28
No. of numbers between 1 and 200 divisible by 11 (setB)
=⌊20011⌋
=18
No. of numbers between 1 and 200 divisible byLCM(7,11)(set{A∩B})
=⌊20077⌋
=2
therefore
|A∪B|=28+18−2=44
hope it helps please mark this as brainliest.
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Answer:
How many integers between 1 and 200 are divisible by 7 or 11?
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