The data shown in the $2^{nd}$ column of the table is the frequency

$$\begin{array}{cc}Marks& Numberofstudents\\ >05& 48\\ >10& 45\\ >15& 39\\ >20& 30\\ >25& 18\\ >30& 10\end{array}$$

Choose the ogive curve for the given data.

$$\begin{array}{cc}Marks& Numberofstudents\\ >05& 48\\ >10& 45\\ >15& 39\\ >20& 30\\ >25& 18\\ >30& 10\end{array}$$

The following table shows data during a 1hr exam for a student.

$$\begin{array}{cc}\text{Time during exam(mins)}& \text{Total number of questions solved in the exam}\\ 0-10& 2\\ 10-20& 5\\ 20-30& 10\\ 30-40& 15\\ 40-50& 17\\ 50-60& 25\end{array}$$

Plot the less than type ogive curve

Choose the correct less than type ogive curve for the given data.

$$\begin{array}{cc}\text{Class}& \text{Frequency}\\ 5-10& 3\\ 10-15& 6\\ 15-20& 9\\ 20-25& 12\\ 25-30& 8\\ 30-35& 10\end{array}$$

The following table shows data during a 1hr exam for a student.

$$\begin{array}{cc}Timeduringexam\left(mins\right)& Totalnumberofquestionssolvedintheexam\\ 0-10& 2\\ 10-20& 5\\ 20-30& 10\\ 30-40& 15\\ 40-50& 17\\ 50-60& 25\end{array}$$

Which of the following graphs comes closest to depicting the correct value of the median?

Find the mode of the given data.

$$\begin{array}{cc}\text{Class}& \text{Frequency}\\ 0-5& 200\\ 5-10& 250\\ 10-15& 225\\ 15-20& 300\\ 20-25& 275\end{array}$$