Study the following graph carefully and answer the questions given below it. The no. of students who joined and left the school in the beginning of year for six years, from 1993 to 1998.

Initial strength of the school in 1992 = 1500



How many students were there in the school during the year 1996?

Average of three numbers $\mathrm{B}, \mathrm{C}$ and $\mathrm{D}$ is $1$ more than the average of $\mathrm{A}, \mathrm{B}$ and $\mathrm{C}$. Average of $\mathrm{A}$ and $\mathrm{D}$ is $19.5$.

Quantity $1$: Find $\mathrm{A}$.

Quantity $2$: $21$.

The following line graph gives the $\%$ profit earned by two companies $X$ and $Y$ during the period $1996‐2001$. Study the line graph and answer the question that is based on it.
$\%$ Profit Earned by Two Companies $X$ and $Y$ over the given Years

$\%$ Profit$/$Loss $=$ (Income $-$ Expenditure)$÷$Expenditure $\times 100$

If the incomes of the two Companies were equal in $1999$, then what was the ratio of expenditure of company $X$ to that of Company $Y$ in $1999$?

Study the following graph carefully to answer these questions.

Investments (in $₹ \mathrm{lakh}$) of two business partners $A$ and $B$.

What was the per cent rise in $A\text{'}s$ investment in $2004$ from the previous year?

In a school, the periodical examinations are held every second month. A student of Class $\mathrm{IX}$ appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line graph given below. Study the graph and answer the questions based on it.

Maximum Total Marks in each Periodical Exam $= 500$

What are the average marks obtained by the student in all the periodical exams during the session?

In a school, the periodical examinations are held every second month. A student of Class $\mathrm{IX}$ appeared for each of the periodical exams. The aggregate marks obtained by him in each periodical exam are represented in the line graph given below. Study the graph and answer the questions based on it.

Maximum Total Marks in each Periodical Exam $= 500$

The following line-graph gives the percentage of the number of candidates who qualified an examination out of the total number of candidates who appeared for the examination over a period of seven years from $1994-2000$. Study the graph and answer the questions based on it. Percentage of candidates qualified to appeared in an examination over the years:

If the number of candidates qualified in $1998$ was $21200$, what was the number of candidates appeared in $1998$?

The following line-graph gives the ratio of the amounts of imports by a Company to the amount of exports from that company over the period from $1995$ to $2001$. The questions given below are based on this graph. Ratio of Value of Imports to Exports by a Company over the Years:

Ratio of value of Imports to Exports

If the imports of the company in $1996$ was $₹272 \mathrm{crore}$, the exports from the Company in $1996$ was: