Subject: General Aptitude · Chapter: Time and Distance · Exam: 2006 · Marks: · Difficulty:
Train $X$ leaves New York at 1 A.M. and travels east at a constant speed of $x \mathrm{mph}$. If train Z leaves New York at 2 A.M. and travels east, at what constant rate of speed will train $Z$ have to travel in order to catch train $X$ at exactly 5 : 30 A.M.?