दो संपूरक कोणों (supplementary angles) में से, छोटे कोण का माप उसके पूरक कोण (complementary angle) का चार गुना है। दोनों संपूरक कोणों के बीच का अंतर कितना है?

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?