if two trains travel at 85 km per hour and 90 km per hour for 9 hours and 10 hours respectively then the ratio of their distances covered is
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Speed of a train A=85 km per hr
time it took for travelling=9 hrs
Distance by train A=Speed×Distance
=85×9=765km
Speed of train B=90km per hour
time=10 hrs
Distance by train B=Speed ×time
=90×10=900km
Ratio of distance covered by both the trains=765/900=17:20
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