caps on bottles

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sanju09: GMAT Instructor; Posts: 3650; Joined: Wed Jan 21, 2009 4:27 amFollowed by: 80 members; Location: India; Thanked: 267 times; GMAT Score:760

by sanju09 » Fri Jul 23, 2010 3:52 am

A machine puts c caps on bottles in m minutes. How many hours will it take to put caps on b bottles?
A. 60bm/c
B. bm/60c
C. bc/60m
D. 60b/cm
E. b/60cm

[spoiler]Source: majortests.com[/spoiler]

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Source: Beat The GMAT — Problem Solving | Fri Jul 23, 2010 3:52 am

kvcpk: Legendary Member; Posts: 1893; Joined: Sun May 30, 2010 11:48 pmFollowed by: 7 members; Thanked: 215 times

by kvcpk » Fri Jul 23, 2010 3:53 am

C bottles in m minutes
b bottles x minutes

bm/c minutes
=bm/60c hours

pick B

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