2021 · Q65
Walking at 4/5 of his usual speed, a man is 12 minutes late for his office. What is the usual time taken by him to cover that distance?
Elementary MathematicsTime, Speed and Distance
- A48 minutes
- B50 minutes
- C54 minutes
- D60 minutes
Explanation
At 4/5 speed the time taken is 5/4 of usual. The extra 1/4 of the usual time equals 12 minutes, so the usual time is 12 × 4 = 48 minutes. Hence option A.