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Rakshit Mittal from Atomic energy central school 4, Mumbai
Subject :NSO    Class : Class 8
A body goes from point X to point Y with a speed of 10 ms-1. It comes back to X with a speed of 20 ms-1. The average speed of the body during the journey is ______.
the answer is wrong, it should be 15 m/s

Ans 1:

lionking1 from st. francis sr. sec. school, bilaspur
Class : Class 10

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