2013 · Q11
A person travels a certain distance at 3 km/hr and reaches 15 minutes late. If he travels at 4 km/hr, he reaches 15 minutes earlier. The distance he has to travel is
Elementary MathematicsArithmetic
- A5 km
- B6 km
- C2 km
- D12 km
Explanation
d/3 − d/4 = 1/2 → d = 6 km. Answer B.