CG TET 2016 Math and Science Solved Paper

Two cars X and Y starts from two stations P and Q respectively at 9 a.m. The distance between P and Q is 700 km. the average speed of both the cars is 60 km/hour. The Car X stops at 10 a.m. and starts again at 11 a.m. while car Y is running without stopping. When both the cars cross each other?