A father and his son start at a point A with speeds of 12 km/h and 18 – McqOptions

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1.	A father and his son start at a point A with speeds of 12 km/h and 18 km/h respectively and reach another point B. If his son starts 60 min after his father at A and reaches B, 60 min before his father, what is the distance between A and B?
A.	72 km
B.	None of these
C.	90 km
D.	36 km
Answer» B. None of these

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