if a train runs at 40 kmph it reachs its destination late by 11 minutes. but if it runs at 50 kmph it is late by 5 minutes only .find the distance by cover to be covered by the train
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let the correct time to complete the journey be x min
Distances covered in (x+11)
min=distance covered in (x+5)min of 50kmph
[(x+11)/x+5 60×40]
40×(x+11/60)=50 (x+5/60)
40×30/60
50×24/60
20km.
Distances covered in (x+11)
min=distance covered in (x+5)min of 50kmph
[(x+11)/x+5 60×40]
40×(x+11/60)=50 (x+5/60)
40×30/60
50×24/60
20km.
geetha82:
it's not understanding properly
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2okm and
hope it will help you
hope it will help you
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