Question Detail
Study the following line graph which gives the number of students who joined and left the school in the beginning of the year for six years from 1996 to 2001.
Initial strength of the school in 1995 was 3000
Answer questions based on the line graph given below.
For which year, the percentage rise/fall in the number of students who left the school compared to previous years is maximum ?
- 1997
- 1998
- 1999
- 2000
Answer: Option A
Explanation:
Please note we are calculating the percentage rise/fall of number of students left.
\begin{aligned}
\text{for 1997} = \left[\frac{(450-250)}{250} * 100\right]\% \\
= 80\%(rise) \\
\text{for 1998} = \left[\frac{(450-400)}{450} * 100\right]\% \\
= 11.11\%(fall) \\
\text{for 1999} = \left[\frac{(400-350)}{350} * 100\right]\% \\
= 28.57\%(rise) \\
\text{for 2000} = \left[\frac{(450-350)}{350} * 100\right]\% \\
= 28.57\%(rise) \\
\end{aligned}
So it was maximum in 1997
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