Measurement of Time and Motion — Science STD 7 — Question

While going for a school picnic, Paheli decided to note the reading on the odometer of the bus after every 30 min till the end of the journey. Later on she recorded her readings in table.
Odometer reading at different times of the journey

Time (AM)	Odometer readings	Distance from the starting point
8:00	36540 km	0 km
8:30	36560 km	20 km
9:00	36580 km	40 km
9:30	36600 km	60 km
10:00	36620 km	80 km

(i) Can you tell how far was the picnic spot from the school?
(ii) Can you calculate the speed of the bus?
(iii) Looking at the table, Boojho asked Paheli whether she can tell how far they would have travelled till 9:45 AM.

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