Three prime numbers p, q and r, each less than 20, are such that p-q = q−r. How many distinct possible values can we get for(p + q + r)?

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