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AN AUTO TRAVELS AT A RATE OF 25KMPH FOR 4 MIN AND 50KMPH FOR 8 MIN AND FINALLY 20KMPH FOR 2 MIN TOTAL DISTANCE TRAVELLED IS.......
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Answered by
1
Answer:
Total distance traveled = 25 Km* (4/60) + 50* (8/60) + 20 * (2/60) = 1.67+ 2.67 + 0.67 = 5.01 Km
This has been traversed in a total time of 4 + 8 + 2= 14 mins or 14/60 hrs
So average speed = total distance / total time = 5.01 (60) /14 = 21.47 Km / hr
Answered by
1
Distance=speed *time
25*4=100km
50*8=400 km
20*2 =40 km
100+400+40=540
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