A person covers half of his journey at 30 km/hr and the remainin – McqOptions

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1.	A person covers half of his journey at 30 km/hr and the remaining half at 20 km/hr. The average speed for the whole journey is
A.	18 km/hr
B.	28 km/hr
C.	32 km/hr
D.	24 km/hr
Answer» E.

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