Management Aptitude Test Feb 2012 Paper

Question : 116 of 200

Marks: +1, -0

A medicine capsule is in the shape of a cylinder with two hemispheres stuck to each of its ends. The length of the entire capsule is 14 mm and the diameter of the capsule is 5 mm. The surface area of the capsule is

420 $mm^2$
222 $mm^2$
220 $mm^2$
440 $mm^2$

Validate

Solution:

(3) Required surface area

= 2 x 2π

r^2

+ 2πrh
= 4 x

22/7

x 2.5 x 2.5 + 2 x

22/7

x 2.5 x 9
= 2 x

22/7

x 2.5 (5 + 9)
= 220

mm^2

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