i got the 3rd one is that correct?
Which of the following is a subset of the set
A: {integers divisible by 3 from 1 to 25}

{24, 27, 30, 33}

{integers divisible by 6 from 1 to 36}

{6, 9, 12, 15}

{0, 3, 6, 9 …}

Question

i got the 3rd one is that correct?
Which of the following is a subset of the set
A: {integers divisible by 3 from 1 to 25}

 {24, 27, 30, 33}

 {integers divisible by 6 from 1 to 36}

 {6, 9, 12, 15}

 {0, 3, 6, 9 …}

jim_thompson5910 · Answer

good you got it

jim_thompson5910 · Answer

{24, 27, 30, 33} has 30 and 33, which are NOT in set A

so choice A is out

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{integers divisible by 6 from 1 to 36}  has numbers like 30 and 36, which are also not in set A, so choice B is out

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{0, 3, 6, 9 …} has infinitely many numbers in it, but set A is finite, so choice D is out


This leaves C to be the answer

jim_thompson5910 · Answer

and it turns out that everything in {6, 9, 12, 15} is also in set A, so choice C is indeed the answer (without having to eliminate the other options)