At 07.00 am the odometer of a car reads 25777. What is the distance covered by the car and its speed when the clock reads 09.15 am and the odometer reads 25867 ?
[(i)90km (i)40km/h]
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Distance covered by car from 7am to 9.15 am is 25867-25777=90Km
Time taken by car 7am to 8am = 1hrs
8am to 9am = 1 hrs
9am to 9.15 am =15min or 1/4 or 0.25 hrs
Total time taken =1+1+0.25=2.25
Speed =distance /time
Speed of car is =90/2.25=40km per hour
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