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GMAT Data Sufficiency (DS) | Re: A circular tub has a band painted around its circumference

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Area of a cylinder = \(2 * \pi r(r+h)\)


Statement 1) Tells us x=0.5
We dont know what is r................Insufficient

Statement 2) Tells us h=1
We still dont know the value of r................Insufficient

Combining 1 and 2, we still dont know what is r. Hence, answer is E

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