एक गैर-ऋणात्मक संतत यादृच्छिक चर (non-negative continuous random variable) का संचयी जोखिम फलन (cumulative hazard function) H(t) निम्नलिखित में से किस शर्त को पूरा करता है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?