Instructions
In the following bar diagram the number of engineers employed in various companies has been given. Study the bar diagram carefully to answer the questions.
Question 72
What is the difference between the average number of junior engineers and assistant engineers taking all the companies together ?
Solution
In all the companies taken together, number of :
Assistant engineers = 150 + 350 + 200 + 250 + 150 = 1100
Junior engineers = 100 + 100 + 150 + 250 + 250 = 850
=> Required difference = $$\frac{1100 - 850}{5} = 50$$
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