यूनेस्को की विश्व धरोहर स्थल, आगरा का किला मुख्य रूप से अपने वर्तमान लाल बलुआ पत्थर के रूप में किस मुगल सम्राट द्वारा बनवाया गया था?

Arrange the following structural components of Sher Shah Suri's tomb at Sasaram in the correct vertical sequence, starting from the base and moving upwards: I. The sphere (dome) II. The main building comprising an octagonal chamber surrounded by an arcade III. The stepped square plinth on a terrace Choose the correct answer from the options given below:

Which of the following monuments was constructed and expanded in stages by Qutb-ud-din Aibak, Iltutmish, and Alauddin Khalji?