Match the Artists and their Art form:
| \(\textbf{Artists}\) | \(\textbf{Art Form}\) |
|---|---|
| a. Amrita Shergill | 3. Painting |
| b. T. Swaminathan Pillai | 1. Flute |
| c. Kalamandalam Krishnan Nair | 2. Kathakali |
| d. Padma Subramanian | 4. Bharatanatyam |
Find the letter to be placed in '?' 
What is 'X' in the following table?
Find the missing number from the given options: 