BREAKING: Target Test Prep releases Brand New 2026 On Demand GMAT prep course

Redeem

Box W and Box V

Expert replies
by success1111 » Wed May 13, 2009 8:53 am
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
Trust but verify.
Join the discussion
Source: — Problem Solving |

Re: Box W and Box V

by Vemuri » Wed May 13, 2009 9:02 am
I am guessing C
Join the discussion

by scoobydooby » Wed May 13, 2009 9:19 am
let the average length of sticks in box W be mw
let the average length of sticks in box V be mv

we want mw-mv

given that the length of each red stick=mw-18 or mv+6
equating the two we get

mw-mv=6+18=24

hence, E
Join the discussion

by success1111 » Wed May 13, 2009 9:23 am
scoobydooby wrote:let the average length of sticks in box W be mw
let the average length of sticks in box V be mv

we want mw-mv

given that the length of each red stick=mw-18 or mv+6
equating the two we get

mw-mv=6+18=24

hence, E
OA is E. Thanks
Trust but verify.
Join the discussion