A series is given, with one number missing. Choose the correct alternative from the given ones that will complete the series. 400, -200, 100, ? , 25, -12.5
Three solid spheres have their radii r1, r2 and r3. The spheres are melted to form a solid sphere of bigger radius. Then the radius of the new sphere is
According to Article 80 of Indian Constitution, Rajya Sabha can have a maximum strength of 250 members. Out of these 250 members how many are representatives of States and Union Territories?