A factory has three work centres arranged in a series for a particular product. The raw material passes through the work centres successively. If the times required at the three work centres are 1.6 s, 1.4 s, and 1.2 s respectively, the system efficiency is:

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?