1. The two years between which the rate of change of cellular phones is minimum are ?
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By: guest on 01 Jun 2017 11.13 pm
The lowest rate of change for For year 1997 and 1998 = ((48000 - 40000) / 40000) x 100 = 20% For year 1999 and 2000 = ((30000 - 25000) / 25000) x 100 = 20% is exhibited by both option (A) and (B).