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Exam
Numerical Ability
Time and Work
Q. A train travelling at a speed of 90km/hr follows a goods train after 6hrs from a station and overtakes it in 4hrs. What is the speed of the train?
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- let the speed of goods train be x
so in 6 hours it cover dist of 6x
train with 90km/h takes 4 hours to overtake
so goods train covers another 4x dist in 4 hour, so total is 10x
this 10x dist is covered by 90 km/h train in 4 hours
10x/90=4
so x is 36 km/h - 10 years agoHelpfull: Yes(0) No(1)
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