Directions: Read the graph carefully and answer the questions.
In the following graph the number of laptops(in thousands) manufactured by six different companies in the years 2010 and 2011 has been given.
The difference between the number of laptops manufactured by Apple, Lenovo and Samsung in 2010 and that by Dell, HP and Abascus in 2011 is ________.
5000
Laptops manufactured by Apple, Lenovo and Samsung in 2010
= 15 + 40 + 25 = 80 thousand
Laptops manufactured by Dell, HP and Abascus in 2011
= 15 + 25 + 35
= 75 thousand
Difference = 5000