A can build a wall in 16 days while B can destroy it in 6 days. A worked alone for 8 days, and then B joined to work with A for another 4 days. In how many days will A alone build up the remaining part of the wall?

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?