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jainrahul1985: Master | Next Rank: 500 Posts; Posts: 228; Joined: Sun Aug 17, 2008 8:08 am; Thanked: 4 times

by jainrahul1985 » Sat Jul 25, 2009 6:29 am

working together at their constant rates , A and B can fill an empty tank to capacity in1/2 hr.what is the constant rate of pump B?
1) A's constant rate is 25LTS / min
2) the tanks capacity is 1200 lts.

Please solve this question for me

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Source: Beat The GMAT — Problem Solving | Sat Jul 25, 2009 6:29 am

PussInBoots: Master | Next Rank: 500 Posts; Posts: 157; Joined: Tue Oct 07, 2008 5:47 am; Thanked: 3 times

by PussInBoots » Sat Jul 25, 2009 4:21 pm

(25 + B) * 30 = 1200

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pradeepsarathy: Senior | Next Rank: 100 Posts; Posts: 87; Joined: Wed Jul 09, 2008 7:12 amFollowed by: 1 member; Location: Secaucus, New Jersey; Thanked: 3 times; GMAT Score:700

by pradeepsarathy » Sat Jul 25, 2009 7:09 pm

IMO C

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