Taxies leave station X for station Y every 10 min. Simultaneously, a taxi also leave station Y for station X every 10 min. The taxies move at the same constant speedand go from X to Y or vice-versa in 2h. How many taxies coming from the other side will meat each taxi enroute from Y to X?

a.24 b. 23 c.12 d. 11 (single correct)

Three identical balls are placed on a frictionless horizontal surface touching each other. They stick to each other because of adhesive. Another ball of same radius and mass m is placed over the void created by the three balls. Find the forces applied by the balls kept on the floor to each other if the system remains in equilibrium.

A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.

11

21

31

41