A taxi driver noted reading on the odometer fitted in the vehicle as 1052 km when he started the journey. After 30 minutes drive, he noted that the odometer reading was 1088 km. What is the average speed of the taxi ?
A
20ms−1
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B
25ms−1
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C
30ms−1
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D
40ms−1
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Solution
The correct option is B20ms−1 distance travelled=1088−1052=36km=36000m time t=30min=1800s speed =DistanceTime =360001800=20m/s