Question : Two trains A and B start running at 80 km/hr and 82 km/hr towards each other from two different stations. They meet after 1 hour and 30 minutes. How far were they from each other when they started?
Option 1: 190 km
Option 2: 262 km
Option 3: 243 km
Option 4: 224 km
Correct Answer: 243 km
Solution : Relative speed = 80 + 82 = 162 km/hr Time taken = 1 hr 30 minutes = $\frac{3}{2}$ hr $\therefore$ Distance = 162 × $\frac{3}{2}$ = 243 km Hence, the correct answer is 243 km.
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