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Set D is a new set created by combining all the terms of Set [#permalink]
18 Aug 2013, 12:36

1

This post was BOOKMARKED

00:00

A

B

C

D

E

Difficulty:

45% (medium)

Question Stats:

56% (01:56) correct
44% (01:15) wrong based on 29 sessions

Set D is a new set created by combining all the terms of Sets A, B, and C. No other terms are added to Set D other than those in Sets A, B, and C. What is the median of Set D?

(1) Sets A, B, and C each have a median of 125. (2) Sets A, B, and C each have the same number of terms.

Re: Set D is a new set created by combining all the terms of... [#permalink]
18 Aug 2013, 13:13

sophietrophy wrote:

Set D is a new set created by combining all the terms of Sets A, B, and C. No other terms are added to Set D other than those in Sets A, B, and C. What is the median of Set D?

(1) Sets A, B, and C each have a median of 125. (2) Sets A, B, and C each have the same number of terms.

I don't know the answer to this, but I think it's E.

Does anyone either know the answer or can explain to me if I am wrong?

Thank you very much.

Note: I haven't a clue as to how to tag this question but it is from the Veritas Prep: X Statistics and Problem Solving book.

I think answer is A. Try with different pairs and you will always end up with 125. _________________

Re: Set D is a new set created by combining all the terms of... [#permalink]
18 Aug 2013, 13:47

BangOn wrote:

sophietrophy wrote:

Set D is a new set created by combining all the terms of Sets A, B, and C. No other terms are added to Set D other than those in Sets A, B, and C. What is the median of Set D?

(1) Sets A, B, and C each have a median of 125. (2) Sets A, B, and C each have the same number of terms.

I don't know the answer to this, but I think it's E.

Does anyone either know the answer or can explain to me if I am wrong?

Thank you very much.

Note: I haven't a clue as to how to tag this question but it is from the Veritas Prep: X Statistics and Problem Solving book.

I think answer is A. Try with different pairs and you will always end up with 125.

I don't want to presume that it will hold true in every possible scenario. Is there a rule, by any chance, that will make it true?

Re: Set D is a new set created by combining all the terms of... [#permalink]
03 Mar 2014, 03:38

Expert's post

darkwraith wrote:

Set D is a new set created by combining all the terms of Sets A, B, and C. No other terms are added to Set D other than those in Sets A, B, and C. What is the median of Set D?

(1) Sets A, B, and C each have a median of 125. (2) Sets A, B, and C each have the same number of terms.

i also find A to be inappropriate for instance:

A 10 20 25 28 32 B 5 10 20 (25) 30 40 50 C 10 25 40

D 5 10 20 25 28 30 32 40 50

Set D in this case is {5, 10, 10, 10, 20, 20, 25, 25, 25, 28, 30, 32, 40, 40, 60} --> median=25. _________________

Re: Set D is a new set created by combining all the terms of... [#permalink]
03 Mar 2014, 03:54

Bunuel wrote:

darkwraith wrote:

Set D is a new set created by combining all the terms of Sets A, B, and C. No other terms are added to Set D other than those in Sets A, B, and C. What is the median of Set D?

(1) Sets A, B, and C each have a median of 125. (2) Sets A, B, and C each have the same number of terms.

i also find A to be inappropriate for instance:

A 10 20 25 28 32 B 5 10 20 (25) 30 40 50 C 10 25 40

D 5 10 20 25 28 30 32 40 50

Set D in this case is {5, 10, 10, 10, 20, 20, 25, 25, 25, 28, 30, 32, 40, 40, 60} --> median=25.

oh now i get it .... i assumed that the numbers that overlapped were only counted once.... thanks

gmatclubot

Re: Set D is a new set created by combining all the terms of...
[#permalink]
03 Mar 2014, 03:54