निम्नलिखित में से कौन सा एक घूर्णन करने वाला मशीन अवयव (element) है जो फ़ॉलोअर (follower) नामक दूसरे अवयव को प्रत्यागामी (reciprocating) या दोलन (oscillating) गति प्रदान करता 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?