Directions:

Study the following bar chart to answer the questions.
barchart_type3.jpg

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 A and B

D) 2001 and 2002

Answer:

Option C

Explanation:

In 1997 and 1998, difference =40000-48000=-8000

In 1999 and 2000 difference= 25000-30000=-5000

In 2001 and 2002 difference = 40000 - 18000= 30000

The minimum in 1997 and 1998 ,1999 and 2000