Subject: General Aptitude · Chapter: Races and Games of Skill · Exam: · Marks: · Difficulty:
In a km race, A beats B by 28 metres or 7 seconds. Then, find A’s time over the course.
Answer
Answer (as printed):
Explanation
Clearly, B covers 28 m in 7 seconds. $\therefore$ B's time over the course $=\left(\frac{7}{28}\times1000\right)$ sec $=250$ sec. $\therefore$ A's time over the course $=(250-7)$ sec $=243$ sec $=4$ min 3 sec.
Explanation as extracted from the printed page; notation may be imperfect.