Which Sultan added the fifth storey to the Qutb Minar?
Answer & explanation
Correct answer: option 3
The correct answer is Option (3) → Firoz Shah Tughlaq
Qutbuddin Aibak began the Qutb Minar and Iltutmish completed its upper storeys. When lightning damaged the top storey in the 14th century, Firoz Shah Tughlaq repaired it and added the fifth storey (1368), using marble along with red sandstone.