The innovation theory of profit was proposed by

• Marshall

• Clark

• Schumpeter

• Joan Robbinson

The most abundant element in the earth's atmosphere is

• Argon

• Nitrogen

• Oxygen

• Krypton

Who was the first Indian to be elected as a Member of the British House of Commons?

• Jayaprakash Narayan

• Dada Bhai Naoroji

• Ram Manohar Lohia

• Sarojini Naidu

Mohammed Bin Tuglaq transferred his capital from

• Delhi to Warangal

• Delhi to Devagiri

• Delhi to Madurai

• Delhi to Vijayanagar

During the reign of which dynasty was the Great Wall of China Constructed?

• Sung

• Tang

• Han

• Chin