A rectangular block of dimensions 5*6*7 cm. Is dropped into a cylindrical vesssed of radius 6 cm. And height 10 cm.. If the level of fluid in the cylinder rises by 4 cm. , what portion of the block is immersed in the fluid?

(22/7)*(15/18)

(22/7)*(24/35)

(22/7)*(22/34)

(22/7)*(12/15)

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