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If the radius of a cylinder is doubled


If the radius of a cylinder is doubled and so is the height, how much bigger is the new lateral surface area (with out the bases)?
(a) 8.
(b) 2.
(c) 6.
(d) 4.
(e) 10.

The best answer is D.
The lateral surface area of a cylinder is (2 x pie x R) x (height of cylinder).
The new lateral surface area is (2 x pie x 2R) x (double the height) = 4 times bigger.

 If  X ~ Y = X^2 + XY, then what is the value of  -1 ~ 2 ?
(a) 1.
(b) -1.
(c) 3.
(d) 4.
(e) 2.

The best answer is B.
-1 ~ 2 = (-1)2 + (-1)2 = -1.

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Vineeth: Oh yeah! The study method consists of a good mix of case studies and classroom lectures. The number and quality of contacts that MIP has in the business world is impressive.

To top it all- MIP is truly international. In my class we had more than 20 different nationalities. The diversity and different experiences makes for testing times during discussions. However, it does serve up an invaluable learning experience, helping build a good foundation to pursue a career in the international business arena. Get in touch with alumni to get a better picture of the institution.

Vineeth George Abraham is a MIP, Politecnico di Milano, School of Management alumnus 2008/09. He cracked the GMAT with a 740 and received a scholarship from MIP. He is currently working as a Marketing Campaign Planner at IBM, Bangalore

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