Q: A person travels from A to B at an average speed of x km/hr and returns from B to A at anaverage speed of y km/hr. His average speed during the total journey, is एक व्यक्ति A से B तक एक औसत चार्ल x किमी/घंटा से जाता है तथा y किमी/घंटा की औसत चाल से वापस B से A तक लौटता है। कुल यात्रा में उसकी औसत चाल है
A.
B.
C.
D.
Correct Answer:
Option B -
Explanations:
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