25 रुपये प्रति किलोग्राम मूल्य वाली चीनी को 35 रुपये प्रति किलोग्राम मूल्य वाली चीनी के साथ किस अनुपात में मिलाया जाना चाहिए ताकि मिश्रण का मूल्य 28 रुपये प्रति किलोग्राम हो जाए?

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?