कोई धनराशि साधारण ब्याज पर 10 वर्षों में दोगुनी हो जाती है। ब्याज की समान दर पर यह कितने वर्षों में तीन गुनी हो जाएगी?

Which movement aimed to promote Khadi, a hand-spun and handwoven cloth native to India?

Who were prominent leaders associated with the initial phase of the Telangana Rebellion (1946-1951) against the Nizam's rule and feudal landlords?

What was the immediate trigger for the Revolt of 1857?