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A disk has 16 equidistant tracks. The diameters of the outermost and innermost tracks are 16 cm and 1 cm respectively. The innermost track has got the capacity of 20 MB. The total amount of data which can be stored on the disk if the drive rotates at constant speed is ______________ MB (integer value only).

{capacity of each track is equal or outermost track has  capacity greater than innermost track?? }
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