1.

X and Y walk at an average speed of 1.5 km/hr and 2 km/hr respectively. If X walks in West direction and Y in North direction beginning from the same origin at the same time, what will be the minimum distance between the two after 4 hours?

A. 10 km
B. 5 km
C. √13 km
D. 12 km
Answer» B. 5 km


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