Directions (1-5): What should come in place of the question mark (?) in the following number series? 1.         586          587         586        581          570      ?              522            […] Read more

1. Out of three numbers, the first is twice the second and is half of the third. If the average of the three numbers is 56, what will be the difference between the highest no. and the lowest one?                                  […] Read more