Ram,raju and ravi can finish the running competition on circular track in 15 mins,20mins and 30mins respectively .If they start together at 7.00am from the starting point,at what time they will meet together again at th starting point

Respuesta :

about 8:00 is when they will all have met up ram will have ran 4 laps raju will have ran 3 laps and ravi will have ran 2 laps