MCQOPTIONS
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| 1. |
The two years between which the rate of change of cellular phones is minimum are ? |
| A. | 1997 and 1998 |
| B. | 1999 and 2000 |
| C. | Both option (A) and (B) |
| D. | 2001 and 2002 |
| Answer» D. 2001 and 2002 | |