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Bar Charts

The bar graph given below shows the percentage distribution of the total production of a car manufacturing company into various models over two years.

Percentage of Six different types of Cars manufactured by a Company over Two Years

Q1:

Total number of cars of models P, Q and T manufactured in 2000 is?

A 2,45,000

B 2,27,500

C 2,10,000

D 1,92,500

ANS:C - 2,10,000

Analysis of the graph: We shall first determine the number of cars of each model produced by the Company during the two years:
In 2000 : Total number of cars produced = 3,50,000. P = (30 - 0)% of 3,50,000 = 30% of 3,50,000 = 1,05,000. Q = (45 - 30)% of 3,50,000 = 15% of 3,50,000 = 52,500. R = (65 - 45)% of 3,50,000 = 20% of 3,50,000 = 70,000. S = (75 - 65)% of 3,50,000 = 10% of 3,50,000 = 35,000. T = (90 - 75)% of 3,50,000 = 15% of 3,50,000 = 52,500. U = (100 - 90)% of 3,50,000 = 10% of 3,50,000 = 35,000.
In 2001 : Total number of cars produced = 4,40,000. P = (40 - 0)% of 4,40,000 = 40% of 4,40,000 = 1,76,000. Q = (60 - 40)% of 4,40,000 = 20% of 4,40,000 = 88,000. R = (75 - 60)% of 4,40,000 = 15% of 4,40,000 = 66,000. S = (85 - 75)% of 4,40,000 = 10% of 4,40,000 = 44,000. T = (95 - 85)% of 4,40,000 = 10% of 4,40,000 = 44,000. U = (100 - 95)% of 4,40,000 = 5% of 4,40,000 = 22,000.
Total number of cars of models P, Q and T manufacture in 2000     = (105000 + 52500 + 52500)     = 2,10,000.



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