1.

Toy machines A and B walks at an average speed of 0.5 km/hr and 0.25 km/hr respectively. If toy A walks in North direction and toy B in West direction beginning from the same origin at the same time, what will be the minimum distance between the two toys after 4 hours ?

A. √5 km
B. √3 km
C. √2 km
D. √4 km
Answer» B. √3 km


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