यदि किसी शंकु की ऊंचाई को उसके आधार की त्रिज्या को स्थिर रखते हुए दोगुना कर दिया जाए, तो उसके आयतन में कितने प्रतिशत की वृद्धि होगी?

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?