The slope of the line Joining A (-4. 6) and B (5, 3) is
2/5
-1/3
2/3
1/3
Correct Answer : A
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