While going for a picnic a student noted the reading on the odometer on the bus after every 10 minutes till the end of the journey. Later on he recorded the reading in a table shown below: Time (AM) Odometer reading (km) 8.00 78752 8.10 78758 8.20 78768 8.30 78780 8.40 78791 8.50 78800 9.00 78806 The average speed of the bus in the entire journey in metres per second was

CTET 2 Math and Science Jul 2013 Paper

Question : 65 of 120

Marks: +1, -0

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

Time (AM)	Odometer reading (km)
8.00	78752
8.10	78758
8.20	78768
8.30	78780
8.40	78791
8.50	78800
9.00	78806

The average speed of the bus in the entire journey in metres per second was

Validate

Solution:

Total distance travelled

=78806–78752=54

Total time taken

=1hr

Average speed of bus (in m/s)

=54×\;\;{5}/{18}=15{m}/{s}

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