Instructions

Study the following table carefully to answer the questions that follow :
No of boys and girls in five streams of a college over the years.

Question 140

What is the average number of Girls from Commerce stream for the given years ?

Solution

Total number of girls in the commerce stream

= 612 + 616 + 713 + 811 + 819 + 515

= 4086

$$\therefore$$ Required average = $$\frac{4086}{6}$$

= 681

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