Pipe A can fill an empty cistern alone in 17 hours and pipe B can fill the same cistern alone in 23 hours. The time taken by them to fill half of the cistern by operating together will be:

Which Indian independence movement leader was primarily known for his philosophy and practice of non-violent civil disobedience?

Who gave the call for 'Do or Die' during the Quit India Movement in 1942?

Which of the following revolutionary pairs were imprisoned together in Cellular Jail and faced harsh conditions, contributing significantly to the Indian independence movement?