CDS 2024 · PYQ · Time, Speed and Distance · medium
Two trains A and B started from stations P and Q respectively towards each other. Train A started at 7 p.m. at a speed of 60 km/hr and train B started at 4 a.m. (next day) at a speed of 90 km/hr. The distance between the two stations P and Q is 800 km. At what time will the two trains meet?
A.5:28 a.m.
B.5:44 a.m.✓ Correct
C.4:56 a.m.
D.6:24 a.m.
Explanation
Train B starts at 4:00 a.m. and travels for 26/15 hours = 1 hour 44 minutes (since 26/15 × 60 = 104 minutes = 1 hr 44 min) before meeting train A. So they meet at 4:00 + 1:44 = 5:44 a.m.
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