दो क्रमिक छूटों के बाद, ₹251 की सूची मूल्य वाला एक पेन ₹223 में उपलब्ध है। यदि दूसरी छूट 10% है, तो पहली छूट का प्रतिशत क्या है? (दशमलव के दो स्थानों तक सही)

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?