Question : Direction: Study the bar diagram and answer the following question. The bar diagram shows the number of bicycles parked in the parking space of a hall at various points in time.
What is the average number of parked cycles as seen from the graph?
Option 1: 40
Option 2: 45
Option 3: 55
Option 4: 60
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Correct Answer: 60
Solution :
The number of cycles = 95 + 75 + 85 + 65 + 75 + 55 + 65 + 45 + 55 + 35 + 45 + 25 = 720
Total time = 12 hours
The required average
= $\frac{\text {Total number of cycles parked between 9 a.m. and 8 p.m.}}{\text{Total time}}$
= $\frac{720}{12}$
= 60
Hence, the correct answer is 60.
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