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While going for a picnic a student notes...

While going for a picnic a student notes the reading on the odometer of the bus after every 10 min till the end of the journey . Later on the recorded the reading in a table shown below .

The average speed of the bus in the entire journey ( in m/s) was

A

15

B

18

C

30

D

54

Text Solution

Verified by Experts

The correct Answer is:
A
The total distance travelled by the bus
` = 78752 - 78806 = 54 ` km
The total time taken by the bus
` 9:00 - 8:00= 1 h`
Therefore , the average speed
= 54 km/h
= 15 m/s .
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