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If the set S consists of five consecutive positive integers, what is.. [#permalink]
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22 May 2016, 22:07
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If the set \(S\) consists of five consecutive positive integers, what is the sum of these five integers? (1) The integer 11 is in \(S\), but 10 is not in \(S\). (2) The sum of the even integers in \(S\) is 26
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Re: If the set S consists of five consecutive positive integers, what is.. [#permalink]
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22 May 2016, 23:09
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nalinnair wrote: If the set \(S\) consists of five consecutive positive integers, what is the sum of these five integers?
(1) The integer 11 is in \(S\), but 10 is not in \(S\). (2) The sum of the even integers in \(S\) is 26 Statement 1: The integer 11 is in S, but 10 is not in S This means the integers start from 11 The integers will be 11, 12, 13, 14, 15 We can find out the sum. SUFFICIENT NOTE: We do not need to find out the actual sum. Statement 2: The sum of the even integers in S is 26 The only possible series is 11, 12, 13, 14, 15 We can find out the sum SUFFICIENT Correct Option: D



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Re: If the set S consists of five consecutive positive integers, what is.. [#permalink]
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15 Jul 2016, 23:03
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nalinnair wrote: If the set \(S\) consists of five consecutive positive integers, what is the sum of these five integers?
(1) The integer 11 is in \(S\), but 10 is not in \(S\). (2) The sum of the even integers in \(S\) is 26 (1) The integer 11 is in \(S\), but 10 is not in \(S\). Since number are consecutive, it there cannot be any skipping among the number. If 11 is there, then the series should start with 11 s={11,12,13,14,15}; 12 and 14 are even SUFFICIENT (2) The sum of the even integers in \(S\) is 26 Now there are total of 5 integers. there are two possibilities OEOEO OR EOEOE OEOEO means two consecutive even ; sum of these is 26 ==>E+(E+2)=26 ==>E=12, second even = 14 EOEOE means there are three consective even numbers E+(E+2)+(E+4)=26 ==>3E=20 ==>E=20/3 NOT ACCEPTABLE because its not an integer value. SO in any case both cases gives unique values ANSWER IS D
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Re: If the set S consists of five consecutive positive integers, what is.. [#permalink]
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13 Nov 2016, 22:05
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Sorry to bring this one back. By consecutive, do we just assume they mean x, x+1, x+2 or anything that has a pattern? ie. x+2, x+5, x+8...?



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Re: If the set S consists of five consecutive positive integers, what is.. [#permalink]
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13 Nov 2016, 23:08
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Smileyface123 wrote: Sorry to bring this one back. By consecutive, do we just assume they mean x, x+1, x+2 or anything that has a pattern? ie. x+2, x+5, x+8...? Since the question states 5 consecutive positive numbers, it means x, x+1, x+2.... Else, it would have been indicated about the pattern. Hope it helps. If u liked my post, press kudos!
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Re: If the set S consists of five consecutive positive integers, what is.. [#permalink]
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24 Nov 2016, 02:28
Statement 1 : The integer 11 is in S, but 10 is not in S = It means it has to start from 11. Hence the count would start from 11,12,13,14,15 = Sufficient Statement 2 : The sum of the even integers in SS is 26 = In this case only one set can be formed . 11,12,13,14,15 and in this sum of even numbers are 26 hence Sufficient. Answer : D
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Re: If the set S consists of five consecutive positive integers, what is.. [#permalink]
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03 Feb 2018, 13:37
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