वितरण के सीमांत उत्पादकता सिद्धांत में 'योग प्रमेय सिद्धान्त' (Adding-up Theorem) को गणितीय रूप से किसने सिद्ध किया था?

Mahatma Gandhi's last fast unto death in 1948 was primarily against which of the following?

What was the primary meaning of 'Swaraj' as popularized by Mahatma Gandhi during India's independence movement?

What was one major impact of India’s independence on its economy?