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A survey was conducted in five cities, viz Pune, Kanpur, Raisen, Surat and Trivandrum; for the percentage of people using T (trains), B (buses), C (cars); as modes of transport. The number of persons surveyed in the cities; Pune, Kanpur, Raisen, Surat and Trivandrum are 2000, 4000, 6000, 3000 and 8000 respectively. Refer to the data in the following triangular bar diagram to answer these questions.
The mode of transport used by the least number of persons in all the given cities is
We can convert the chart into the following table:
Users of bus:
Pune = 2000*.125 = 250
Kanpur = 4000*.125 = 500
Raisen = 6000*.375 = 2250
Surat = 3000*.25 = 750
Trivandrum = 8000*.5 = 4000
Total bus users: 7750
Users of train :
Pune = 2000*.75 = 1500
Kanpur = 4000*.50 = 2000
Raisen = 6000*.5 = 3000
Surat = 3000*.25 = 750
Trivandrum = 8000*.125 = 1000
Total Train users: 8250
Remaining users = Users of Cars = 7000
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