1.

Two persons P an B, 60 km away. city A P travels 4 kin/ for city reaches city B and at once turns slower than Q. Q back meeting P, 12 km from city B. What is the speed of P?

A. 12 km/h
B. 20 km/h
C. 8 km/h
D. 16 km/h
Answer» D. 16 km/h


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