Fill in the blanks:
1.Delhi Sultanate was divided into __________.
2. _____was the main occupation.
3. Tanka (silver) and Jital (copper) were the __________ in usage.
4. A combination of Arabic and _______ of art and architecture developed during this period.
5. Qutub Minar was built by ________.
6. Literature was produced in Persian, Sanskrit and other __________.