both positive

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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 » Sat Jul 24, 2010 4:05 am

If a and b are both positive, what percent of b is a?

1. a = 3/11
2. b/a = 20

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Source: Beat The GMAT — Data Sufficiency | Sat Jul 24, 2010 4:05 am

clock60: Legendary Member; Posts: 759; Joined: Mon Apr 26, 2010 10:15 amFollowed by: 3 members; Thanked: 85 times

by clock60 » Sat Jul 24, 2010 5:36 am

1st insuffcient no info about b
2 sufficient, as b/a=20, then (a/b)*100=(1/20)*100=5%
B for me here

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