MCQOPTIONS
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				| 1. | 
                                    Study the bar chart and answer the questions.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 | |