A car travels 200km in 3 Hrs.
than truns back and travels
a l00 km in 20min find out the average speed of the car during the whole journey
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Answer:
Given:-
Distance (s1) = 200km
Time (t1)= 3hrs
Distance (s2) = 100km
Time (t2) = 20min = 0.3333hrs
To find:-
We know that,
Avg speed = total distance travelled / time
= 300/3.3333
= 90km/hr.
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