Who completed the construction of Qutub Minar?

Who completed the construction of Qutub Minar? Correct Answer Iltutmish

Qutab-ud-din Aibak, the first Muslim ruler of Delhi, commenced the construction of the Qutab Minar in 1200 AD, but could only finish the basement. His successor, Iltutmush, added three more storeys, and in 1368, Firoz Shah Tughlak constructed the fifth and the last storey.

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