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  • 20-02-2024
  • Mathematics
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A person runs the first 1/4th of the distance at a speed of 8 km/h, the next 3/5th at a speed of 6 km/h, and the remaining distance at a speed of 10 km/hr. Find his average speed:
a) 6.4 km/h
b) 6.7 km/h
c) 7.2 km/h
d) 7.5 km/h

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