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vivektripathi
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PS-arithmetic mean 01 Dec 2008, 08:48
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Box W and Box V each contain several blue sticks and red sticks, and all of the red sticks have the same length. The length of each red stick is 18 inches less than the average length of the sticks in Box W and 6 inches greater than the average length of the sticks in Box V. What is the average (arithmetic mean) length, in inches, of the sticks in Box W minus the average length, in inches, of the sticks in Box V?
A. 3
B. 6
C. 12
D. 18
E. 24



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scthakur
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PS-arithmetic mean 01 Dec 2008, 10:58
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If, W is the average length of sticks in box W and V of sticks in box V then
W - 18 = V + 6
or, W-V = 24
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gurpreet07
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PS-arithmetic mean 01 Dec 2008, 22:28
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I am bit confused in the answer ,is it 24 or 12
can some one please explain in detail..............
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GMAT TIGER
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PS-arithmetic mean 01 Dec 2008, 22:49
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vivektripathi
Box W and Box V each contain several blue sticks and red sticks, and all of the red sticks have the same length. The length of each red stick is 18 inches less than the average length of the sticks in Box W and 6 inches greater than the average length of the sticks in Box V. What is the average (arithmetic mean) length, in inches, of the sticks in Box W minus the average length, in inches, of the sticks in Box V?
A. 3
B. 6
C. 12
D. 18
E. 24
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Average (arithmetic mean) length, in inches, of the sticks in Box W = w
Average (arithmetic mean) length, in inches, of the sticks in Box V = v
length, in inches, of the red sticks = r

Question: Average (arithmetic mean) length, in inches, of the sticks in Box W - Average (arithmetic mean) length, in inches, of the sticks in Box V? or w - v?

r = w - 18
r = v + 6
w - 18 = v + 6
w - v = 18 + 6 = 24

Do not need to divide by 2 cuz w and v are already average (arithemetic mean).
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vivektripathi
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PS-arithmetic mean 02 Dec 2008, 05:11
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GMAT TIGER
vivektripathi
Box W and Box V each contain several blue sticks and red sticks, and all of the red sticks have the same length. The length of each red stick is 18 inches less than the average length of the sticks in Box W and 6 inches greater than the average length of the sticks in Box V. What is the average (arithmetic mean) length, in inches, of the sticks in Box W minus the average length, in inches, of the sticks in Box V?
A. 3
B. 6
C. 12
D. 18
E. 24

Average (arithmetic mean) length, in inches, of the sticks in Box W = w
Average (arithmetic mean) length, in inches, of the sticks in Box V = v
length, in inches, of the red sticks = r

Question: Average (arithmetic mean) length, in inches, of the sticks in Box W - Average (arithmetic mean) length, in inches, of the sticks in Box V? or w - v?

r = w - 18
r = v + 6
w - 18 = v + 6
w - v = 18 + 6 = 24

Do not need to divide by 2 cuz w and v are already average (arithemetic mean).
Show more
+1 for this, OA is 24



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Hi there,
This topic has been closed and archived due to inactivity or violation of community quality standards. No more replies are possible here.
Where to now? Join ongoing discussions on thousands of quality questions in our Problem Solving (PS) Forum
Still interested in this question? Check out the "Best Topics" block above for a better discussion on this exact question, as well as several more related questions.
Thank you for understanding, and happy exploring!
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