Question : Directions: Study the bar diagram and answer the question.
Total number of boys and girls in five different departments of a college.
The average number of boys from all the departments together is:
Option 1: 123
Option 2: 132
Option 3: 134
Option 4: 142
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Correct Answer: 132
Solution :
From the given graph,
The total number of boys from all the departments = 60 + 220 + 100 + 160 + 120 = 660
The total number of departments = 5
The average number of boys from all the departments
$=\frac{\text{The total number of boys from all the departments}}{{\text{The total number of departments}}}=\frac{660}{5}$ = 132
Hence, the correct answer is 132.
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