A bus traveles at a certain average speed for a distance of 75 km and then travels a distance of 90 km at an average speed of 10 km/h more than its original speed . if it takes 3 hours to complete the journey , what is its original average speed ?
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Total distance travelled=75+90=165
Time taken =3 hr
Therefore, speed=Distance/Time
=165/3
=55km/hr
Time taken =3 hr
Therefore, speed=Distance/Time
=165/3
=55km/hr
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