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.A train travels some distance with a speed of 30km/hr and returns with a speed of 45km/hr. Calculate the average speed of the train.

Posted by Abiya Ann Aji 4 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Harsh Panchal ? 4 years, 4 months ago

Let a distance be travelled with a speed of .
Time taken , , On return journey ,
Total time ,

Total distance
Average speed

1Thank You

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CBSE > Class 09 > Mathematics