Question

Avinash is running along the sides of an equilateral triangle .He covered three sides with different speeds of 10km/h ,12km/h and 20km/h.What is his average speed in covering the field exactly once?
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Answer 1

Answer:

10.6667 during covering the field exactly once.By the sum of all the three speeds,we will divide them with 3. Beacuse for taking average we will sum the given quantities  and then divide them with the number of quantities