A can do as much work as B and C together can do. A and B can together do a piece of work in 7 hours 12 minutes and C can do it in 36 hours. Find the time (in hours) that B needs to do the work alone.

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?