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really scarred) but even then i pick E because Statement 2 just says the first 4 prime numbers are 2,3,5,7...It doesnt say that B contains the list of first 10 prime numbers...sirisha.g wrote:Hi gmatmachoman,
U are right i misread the question(i have been doing mistakes like these off late
Set A: median =50
set B: case1 { 2,3,5,7,11,13,17,19,23,29} => range =27
case2: {2,3,5,7,11,11,13,13,17,17}=> range =15
btw, gmatmachoman it is not median of set B. it is range of set b
IMO Epradeepkaushal9518 wrote:set A consists of all positive integers less than 100.set B consists of 10 integers the first four of which are 2,3,5 and 7.what is the difference between the median of set A and the range of set B ?
1.all numbers in set B are prime numbers.
2.each element in set B is divisible by exactly two factors.
This is not a well-written question. The question talks about "the first four" elements in a set. Well, sets are not ordered; the set {15,3,5,2,7,1} is the same set as the set {1,2,3,5,7,15}. If I talk about the "first four" elements of the set {15,3,5,2,7,1}, am I referring to the four smallest elements (1, 2, 3, and 5), or the first four elements from the left (15, 3, 5, 2)? There is no correct interpretation here. Talking about the "first four" elements in a set is meaningless, and you will never see that phrase on the GMAT. If a list is in order, it's a sequence, not a set.pradeepkaushal9518 wrote:set A consists of all positive integers less than 100.set B consists of 10 integers the first four of which are 2,3,5 and 7.
Even though I don't like the wording of the question, the answer is certainly E no matter how you interpret it. All you learn from the two statements is that the elements of set B are prime. There's no way to know what the range of set B is, since we don't know the largest element of B; it could be any prime 7 or greater.reply2spg wrote:Ans can never be E for this question. I agree with Govi abt D, and if not D then should be A, but not E.
Ian Stewart wrote:Even though I don't like the wording of the question, the answer is certainly E no matter how you interpret it. All you learn from the two statements is that the elements of set B are prime. There's no way to know what the range of set B is, since we don't know the largest element of B; it could be any prime 7 or greater.reply2spg wrote:Ans can never be E for this question. I agree with Govi abt D, and if not D then should be A, but not E.
Statement 2: "Each element in Set B is divisible by exactly two factors."Ian Stewart wrote:Even though I don't like the wording of the question, the answer is certainly E no matter how you interpret it. All you learn from the two statements is that the elements of set B are prime. There's no way to know what the range of set B is, since we don't know the largest element of B; it could be any prime 7 or greater.reply2spg wrote:Ans can never be E for this question. I agree with Govi abt D, and if not D then should be A, but not E.
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