एक संख्या को जब 50% बढ़ाया जाता है, तो वह 2820 हो जाती है। वह संख्या क्या है?

The Dandi March, also known as the Salt Satyagraha, was led by which influential leader?

Which act formally granted independence to India, marking the end of British rule?

Who was the key figure in establishing the Indian National Congress?