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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