Question : The pie chart given below shows the number of girls in six schools. The total number of girls in all these six schools is 6000. Number of girls in a particular school is shown as a percentage of total number of girls in all these six schools.
What is the average number of girls in schools K and M?
Option 1: 800
Option 2: 600
Option 3: 300
Option 4: 400
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Correct Answer: 600
Solution :
Given,
Total number of girls = 6000
Number of girls in school K = 13% of 6000= $\frac{13}{100}\times 6000=780$
Number of girls in school M = 7% of 6000 = $\frac{7}{100}\times 6000=420$
Average = $\frac{\text{No. of girls in school K + No. of girls in school M}}{2}=\frac{780+420}{2}=600$
Hence, the correct answer is 600.
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