Question 61
The given bar graph represents the pass percentage of the 10th and 12th classes of a school during the consecutive four year period 2016-2019.
What is the average of pass percentage of the 10th class for all four years?
Solution
From the bar graph,
Pass Percentage of 10th class of school in 2016 = 52
Pass Percentage of 10th class of school in 2017 = 60
Pass Percentage of 10th class of school in 2018 = 72
Pass Percentage of 10th class of school in 2019 = 71
$$\therefore\ $$Average of pass percentage of the 10th class for all four years = $$\frac{52+60+72+71}{4}=\frac{255}{4}=63.75\%$$
Hence, the correct answer is Option D
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