The graph shows the production of tyres (in lakhs) by three different companies X, Y, and Z over the years.
Directions: Study the following graph carefully to answer the question given below it.

What is the difference between the average production per year of the company with the highest average production and that of the company with the lowest average production in lakhs?

Correct option is D

Solution:
Total Production of the company X: 50 + 40 + 55+ 45+ 60 = 250 lakhs
Average Production of the company X =

= 50 lakhs
Total Production of the company Y: 55+ 60+ 50+ 55+ 50 = 270 lakhs
Average Production of the company Y = 270/5 = 54 lakhs
Total Production of the company Z: 45+ 50+ 60 + 60 + 45 = 260 lakhs
Average Production of the company Z =

= 52 lakhs
Difference between the average production per year of the company with the highest average production and that of the company with the lowest average production = 54-50 = 4 lakhs