1.

A field roller, in the shape of a cylinder, has a diameter of 1 m and length of \(1\frac{1}{4}\) m.If the speed at which the roller rolls is 14 revolutions per minute, then the maximum area (in m2) that it can roll in 1 hour is: (Take π = 22/7)

A. 3960
B. 3560
C. 3300
D. 3600
Answer» D. 3600


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