कोई धनराशि साधारण ब्याज के तहत 2.5 वर्षों में दोगुनी हो जाती है। वह कितने वर्षों में स्वयं की 50 गुनी हो जाएगी?

The arrival of which commission in India triggered widespread protests, including mass hartals across the country in 1928?

Which of the following leaders was instrumental in initiating and leading India’s struggle for independence?