Looking at the bar graph given below, find at what time, the number of vehicles passing through a toll gate is the maximum.

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At 8:00- 9:00 AM

At 9:00-10:00 AM

At 10:00-11:00 AM

At 12:00-1:00 PM

answer is B.

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Detailed Solution

As we can see in the bar graph, the x-axis represents the time interval (from 8:00 AM to 1:00 PM) and the y-axis represents the number of vehicles passing through a toll gate.
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Taking 1 unit length = 50 vehicles, we have got the following data:
The number of vehicles passing through a toll gate from 8:00-9:00 AM = 250.
The number of vehicles passing through a toll gate from 9:00-10:00 AM = 450.
The number of vehicles passing through a toll gate from 10:00-11:00 AM = 300.
The number of vehicles passing through a toll gate from 11:00-12:00 PM = 250.
The number of vehicles passing through a toll gate from 12:00-1:00 PM = 150.
From the given data, the number of vehicles passing through a toll gate from 9:00-10:00 AM is the maximum.
Therefore, option (2) is correct.

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