Determine the design strength (in kN units) in shear of a 20 mm diameter ordinary turned bolt used to connect two plates each 10 mm thick. Take the permissible shear stress in the bolt as 100 N/mm2 and the allowable bearing stress as 300 N/mm2.

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?