Preeti alone can complete a work in 30 days and Payal alone can complete the same work in 90 days. Payal alone worked for first 18 days and then left the work. In how many days will Preeti alone complete the remaining wo rk?

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?