A train travels at a certain average speed for a distance of 63 km and then travels a distance of 72 km at an average speed of 6 km/hr more than its original speed. If it takes 3 hours to complete the total journey, what is the original speed of the train in km/hr?

Consider the following figures: In the figures (I) to (VI) above, some parts are shown…

Consider the figures given below To fit the question mark, the correct answer is:

Study the graph and answer the  item given below.

Cynthia’s knees were quaking because

The author prefers government as the umpire and private sector as players because