A car travels with speed 20km/h a
for 20 min and them with speed
40 km/h for 40 min. Findi-
a) Total Distance travelled
the
can
b) The total time of travel
2) The average speed of car.
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a) Total distance travelled
Answer - 20 min = 1/3 hour
20 km/hr * 1/3 hr = 20/3 km or 6 2/3 km
b) The total time of travel
Answer - 40 min + 20 min = 60 min = 1 hour
2) The average speed of car
Answer - = 60/2 = 30 km/hr
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