The given bar graph represents the pass percentage of 10th and 12th classes of a school during the consecutive four year period 2016-2019.

What is the average of percentage of the 10th class for all four years?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e 63.75%
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Understanding Tricks |
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Application Sum of all 10th class = 52 + 60 + 72 + 71 = 255 |
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Now Average = 255/74 = 63.75 |