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Delhi University MCA Train PYQ

Delhi University MCA PYQ
Two trains each 500 metres long, are running in opposite directions on parallel tracks. If their speeds are 50 km/hr and 40 km/hr respectively, the time taken by the slower train to pass the driver of the faster one is _______seconds





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Delhi University MCA Previous Year PYQ Delhi University MCA DU MCA 2020 PYQ

Solution

Speed of faster train $= 50$ km/h $= 13.89$ m/s

Speed of slower train $= 40$ km/h $= 11.11$ m/s

Relative speed (opposite directions) $= 13.89 + 11.11 = 25$ m/s

Distance to be covered $= 500$ m

Time $= \dfrac{500}{25} = 20$ seconds

Answer: $\boxed{20\text{ seconds}}$ ✅


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