Instructions
Number of Boys and Girls (in hundreds) in six different years in 5 different schools data is given below :
Question 22
What is the approximate percentage decrease in the number of boys in school D in the year 2017 as compared to the previous year ?
Solution
Number of boys in school D in the year 2017 = 530
Number of boys in school D in the year 2016 = 640
=> Required percent decrease = $$\frac{640-530}{640}\times100$$
= $$\frac{1100}{64}\approx17\%$$
=> Ans - (A)
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