According to Ibn Battuta's description, what is the width of the city wall surrounding Delhi?

Eleven cubits

The correct answer is Option 4 - Eleven cubits

Ibn Battuta mentions that the breadth of the city wall surrounding Delhi is "eleven cubits."

Ibn Battuta provides a glimpse of Delhi, often spelled as Dehli during that period, in the following passage:
The city of Dehli sprawls across a vast expanse and boasts a substantial population ...
Its city wall, encircling the city, is truly remarkable. The wall's width measures eleven cubits and houses accommodations for the night sentries and gatekeepers. Within these protective walls, there are storage facilities for foodstuffs, provisions, weaponry, ballistas, and siege equipment.