If a boy walks from his home to the school at 4km/hr he reaches the school 10mins earlier than d scheduled time. however if he walks at 3 km/hr, he reaches 10 mins late. the distance from the school to the house is :
If a boy walks from his home to the school at 4km/hr he reaches the school 10mins earlier than d scheduled time. however if he walks at 3 km/hr, he reaches 10 mins late. the distance from the school to the house is :