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Ali world driving to school computes …

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Ali world driving to school computes the average speed for his trip to be 20km/hr. On his return trip around the same route there is less traffic and the average speed is 30km/hr. What is the average speed for Ali's trip?

Posted by . . 4 years, 2 months ago

CBSE > Class 09 > Science

1 answers

Aman Maurya 4 years, 2 months ago

24km/h

0Thank You

ANSWER

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