18. Three persons walk some distance
TSONS walk some distance x along a street at a speed of 2 km. 3 km and 4 km per
hour. Their average speed in kmph is:
(a) 2.33
(b) 2.76 (C) 3.76 (d) 4.76
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Answer:
the average speed is 3.76 km according to your given option
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