Question

distance between two car is 510 km. from point A one car is moving at a speed of 100 km/h. Another car is moving from point B at a speed of 70km/h.If both stars from their point at the same time.then at what distance between they meet

Answer 1

same direction
510/(100+70)= 3
1st car 300km distance
2nd car 210 km distance
opposite direction
510/(100-70)= 17
1st car 1700 km distance
2nd car 1190 km distance