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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