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Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 03:18
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Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time? A. 5 B. 7 C. 8 D. 9 E. 10 Kudos for a correct solution.
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Set A consists of the integers from 4 to 12, inclusive, while set B
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Updated on: 21 Jul 2015, 04:04
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. A = {4, 5, 6, 7, 8, 9, 10, 11, 12} B = { 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20} Common elements = { 6, 7, 8, 9, 10, 11, 12} = 7 elements Answer: Option B
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Originally posted by GMATinsight on 21 Jul 2015, 03:33.
Last edited by GMATinsight on 21 Jul 2015, 04:04, edited 1 time in total.



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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 03:56
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. A={4,5,6,7,8,9,10,11,12} B={6,7,8,9,10,11,12...} Thus we see that there are 7 distinct integers that are common to both. B is the correct answer.



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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 08:08
A = {4,5,6,7,8,9,10,11,12}; B = {6,7,8,9,10,11,12,13,14,15,16,17,18,19,20}. A intersect B = {6,7,8,9,10,11,12} = 7 elements. Ans (B).
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 08:57
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. although i will also go for 7 but the the wording is slightly confused.. for integers common to two sets, the wordings should have been " How many distinct integers do belong to the both sets at the same time?".. by adding distinct, it may mean distinct integers in the two sets namely 4,5,13 to 20....10 of them and that is their in choices too However i am sure it means the initial meaning for which 6 to 12 are common or ans & B
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 09:19
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. The overlap is between 612. Everything greater than 12 is no more in A while everything smaller than 6 is no more in B. Count the numbers: 126 = 6 and add 1. 6+1=7. Answer B.
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 09:38
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. Set A and Set B both have 6, 7, 8, 9, 10, 11, 12 in common. That's 7 numbers. Another way to solve is 126 = 6 +1 = 7. B
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 14:02
I am new to the forum, I still do not get the difference between inclusive integers and concrete integers and distinctive integers whats the difference can you explain it in a way by meanings of each please.
thanks Hyder



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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 14:13
hyder27 wrote: I am new to the forum, I still do not get the difference between inclusive integers and concrete integers and distinctive integers whats the difference can you explain it in a way by meanings of each please.
thanks Hyder 'Inclusive' means 'including'. If I say the range is 2 to 10 , inclusive, we mean that the correct values will be 2,3,4,5,6,7,8,9,10. Had it not said "inclusive" you would have 3,4,5,6,7,8,9 What is a "concrete integer?" Do you want to write discrete ? If it is, then discrete means distinct. Distinct (and not distinctive!) integers mean not equal or unique integers. 1,2,3,4,5,6 ... are all distinct integers while 1,1,1,1,1... are all same or non distinct integers.



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Set A consists of the integers from 4 to 12, inclusive, while set B
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21 Jul 2015, 22:54
hyder27 wrote: I am new to the forum, I still do not get the difference between inclusive integers and concrete integers and distinctive integers whats the difference can you explain it in a way by meanings of each please.
thanks Hyder "Inclusive" means that the Integers at the end point of the range must be taken into account i.e. Range of Integers from 2 to 5 (Both Inclusive) means the set will include {2, 3, 4, 5}"Distinct" means that the Integers in the set must be all different and no integer in the Set should be repeated i.e. Set {2, 3, 4, 5} has all distinct Integers whereas Set {2, 3, 3, 4, 5} does NOT have all Distinct Integers due to repetition of 3"Concrete integers" is not the term that GMAT uses I hope it helps! Since you are new to the forum so you should know that Pressing the Button of Kudos for the post that helped you is a good gesture and motivation for the responder.
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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22 Jul 2015, 10:04
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. Distinct integers that belong to both sets at the same time are=6,7,8,9,10,11,12 Answer=7 B



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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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22 Jul 2015, 16:58
All numbers greater than 5 and lesser than 13 are common between both sets  so answer is 7 (B)
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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26 Jul 2015, 12:00
Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. 800score Official Solution:Set A and set B are overlapping. To determine the number overlapping elements determine the points where the overlapping begins and ends: The sets begin to overlap at 6 and end at 12. There are 12 – (6 – 1) = 7 integers between 6 and 12 inclusive. The correct answer is B.
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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13 May 2016, 03:12
chetan2u wrote: Bunuel wrote: Set A consists of the integers from 4 to 12, inclusive, while set B consists of the integers from 6 to 20, inclusive. How many distinct integers do belong to the both sets at the same time?
A. 5 B. 7 C. 8 D. 9 E. 10
Kudos for a correct solution. although i will also go for 7 but the the wording is slightly confused.. for integers common to two sets, the wordings should have been " How many distinct integers do belong to the both sets at the same time?".. by adding distinct, it may mean distinct integers in the two sets namely 4,5,13 to 20....10 of them and that is their in choices too However i am sure it means the initial meaning for which 6 to 12 are common or ans & B True that! I applied extra brain assuming question cannot be so simple I counted the distinct integer which are not a part of both sets (excluding 6 to 12), since 6 to 12 has a total of 7 integers and both of the sets have these  that makes it 14 in total so out of total integers in set mentioned  24, the distinct ones would be 2414 = 10, hence E. Wording should have been more clear.
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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31 May 2017, 14:15
I think the wording on this question is confusing. If we're looking for the integers that belong to set A and set B, would they be distinct?
4, 5, 6, 7, 8, 9, 10, 11, 12 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20
Answer is B



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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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Re: Set A consists of the integers from 4 to 12, inclusive, while set B
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