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1.  The following chart represents Demand and Production for 5 companies ABCDE. On the basis of the graph answer the questions.
Direction image of Bar Chart chapter
The difference between average demand and average production of the five companies taken together is-

Solution:
Total production of the five companies
= 1500 + 1800 +1000 + 2700 + 2200
= 9200
Total demand of the five companies
= 3000 + 600 + 2500 + 1200 + 3300
= 10600
∴ Required difference
=15(10600−9200)=15×1400=280

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