The average weight of the students in a class was 45 kg. Later on, 4 students whose weights are 44 kg, 38.5 kg, 42 kg, and 44.5 kg joined the class. The average weight of the students was reduced by 0.44 kg. What was the number of students initially in the class?

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?