Question

A journey splited into three equal parts which were travel with speed V1 V2 and V3 respectively find average speed of journey
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Answer 1

Let the total distance be x.

Then 3 equal distances will be represented as x/3.

Time taken to cover 3 equal distances will be x/3v1, x/3v2 and x/3v3 respectively.

Now,

Average speed= Total distance/ Total time.

Now do as shown in the picture.

Hope this helps...