The radius of a cylinder is 2m. And its length is 20m. The area of an iron sheet constructed from the cylinder is:

88*22/7

80*22/7

36*22/7

54*22/7

Correct Answer : B

The distance between the points (3, -4) and (3, 3) is

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