Three varieties of tea, whose cost prices per kg are Rs. 500, Rs. 720, and Rs. 900, are blended in the ratio 9 : 5 : 11. What should be the selling price per kg of the blended tea if the seller wants to make a profit of 20%?

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?