At how many distinct points do the diagonals of a square intersect if no 2 diagonals pass through the same point?

4

1

2

3

Correct Answer : B

If a ration shop is to be set up within 3 km of each city, how many ratio shops will be required?

The distance between the points (-4, 5) and (-4, -15) is

The distance between the points (-7, 5) and (-7, -20) is