Answer the questions based on the following table.
| Period/ Product | Mumbai 1993-94 | Kolkata 1993-94 | Delhi 1993-94 | Chennai 1993-94 |
|---|---|---|---|---|
| HD | $20$–$15$ | $35$–$30$ | $20$–$15$ | $20$–$30$ |
| CO | $20$–$25$ | $30$–$15$ | $15$–$10$ | $20$–$15$ |
| BN | $45$–$40$ | $25$–$35$ | $35$–$35$ | $10$–$10$ |
| MT | $15$–$20$ | $10$–$20$ | $10$–$10$ | $50$–$45$ |
The table provided displays the estimated cost (in lakh) for the construction of a canal between two points. Based on the information in the table, answer the questions that follow.
The following table gives the marks obtained by six students in six different subjects in an examination. The maximum marks for each subject are given in the brackets. Answer the questions that follow.
Consider the provided scenario and answer the following questions based on the given information.

