Mathematics · Speed, Time and Distance
Two trains of lengths 150 m and 250 m run on parallel lines. When they are running in the same direction, the faster train takes 20 seconds to cross the slower train, and when they run in the opposite direction, they take 10 seconds to cross each other. The speeds of the two trains (where p is the speed of the first train in m/s and q is the speed of the second train in m/s) are:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1p = 10, q = 30✓
- 2p = 15, q = 35
- 3p = 25, q = 15
- 4p = 30, q = 10
Correct answer
p = 10, q = 30
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