वह सबसे छोटी धनात्मक संख्या कौन सी है जो 4 से 9 तक की सभी पूर्णांक संख्याओं से पूर्णतः विभाज्य है?

The 'Drain of Wealth' theory was propounded by which Indian nationalist leader?

Which event is considered the turning point in Mahatma Gandhi's leadership in the Indian independence movement?

Which African leader is known for his non-violent opposition to colonial rule?