a data from gmat forum

cans: Legendary Member; Posts: 1309; Joined: Mon Apr 04, 2011 5:34 am; Location: India; Thanked: 310 times; Followed by:123 members; GMAT Score:750

by cans » Thu Sep 22, 2011 6:40 pm

volume=abc
i think in A) value of a is mentioned
IMO C

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Anurag@Gurome: GMAT Instructor; Posts: 3835; Joined: Fri Apr 02, 2010 10:00 pm; Location: Milpitas, CA; Thanked: 1854 times; Followed by:523 members; GMAT Score:770

by Anurag@Gurome » Thu Sep 22, 2011 7:31 pm

diebeatsthegmat wrote:What is the volume of a box with dimensions a, b, and c?
i. a =
ii. b = 2, c = 4

Volume of a box is given by a * b * c.

(1) alone is NOT sufficient. {Please note, that value of a is missing in the question]
(2) alone is NOT sufficient.

Combining (1) and (2), we know the values of a, b, and c. Hence, we can find the volume; SUFFICIENT.

The correct answer is C.

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