Study the following graphs to answer these questions.
Pie-charts below show the percentage of different types of vehicles A, B, C, D, E and F in state in two consecutive years (2015 and 2016).
Option B is the correct answer,
The number of B type of vehicles in 2015 and 2016 are:
In 2015, 5% of 142,980 = 7,149
In 2016, 10% of 186,400 = 18,640
The difference is 18,640- 7,149Â = 11,491