সব প্রশ্নে ফিরে যান
Math
A person travels a certain distance at km/hr and reaches 15 min late. If he travels at 4 km/hr, he reaches 15 min earlier. The distance he has to travel is
A) 4.5km
B) 6km
সঠিক উত্তর
C) 7.2km
D) 12km