Let X be a random variable such that the probability function of a distribution is given by P(X = 0) = 12 and P(X = j) = 13j (where j = 1, 2, 3, ..., ∞). Then the mean of the distribution and P(X is positive and even) respectively, are:

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?