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Instructions
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.
Question 97
The average number of persons using trains for transportation in Pune, Kanpur, Raisen, and Trivandrum is
Solution
We can convert the chart into the following table:
Users of train :
Pune = 2000*.75 = 1500
Kanpur = 4000*.50 = 2000
Raisen = 6000*.5 = 3000
Surat = 3000*.25 = 750
Trivandrum = 8000*.125 = 1000
Average = 1875
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