The whole surface area of a pyramid whose base is a regular polygon is 340 cm2 and area of its base is 100 cm2 . Area of each lateral face is 30 cm2. Then the number of lateral faces is
Study the Bar diagram carefully and answer the questions. The Bar diagram shows the trends of foreign direct investment (FDI) into India from all over the World (in Rs. crores).
The ratio of investment in 1997 to the average investment is
Two pipes X and Y can individually fill a tank in 48 and 72 min respectively. If they are opened simultaneously, how long will it take for the tank to fill?