चक्रवृद्धि ब्याज (वार्षिक रूप से संयोजित) पर रखी गई कोई धनराशि 10 वर्षों में दोगुनी हो जाती है। वह समय ज्ञात कीजिए जिसमें यह स्वयं की 4 गुनी हो जाएगी।

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?