The following chart represents Demand and Production for 5 companies ABCDE.
The difference between average demand and average production of the five companies taken together is:
Total demand of five companies = 3000 + 600 + 2500 + 1200 + 3300 = 10,600
Total production of five companies =Â 1500 + 1800 + 1000 + 2700 + 2200 = 9,200
=> Difference = $$10600-9200=1400$$
$$\therefore$$ Required average difference = $$\frac{1400}{5}=280$$
=> Ans - (A)
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