1.

Two boats, traveling at 5 and 10 kms per hour, head directly towards each other. They begin at a distance of 20 kms from each other. How far apart are they (in kms) one minute before they collide?

A. 1/3
B. 1/12
C. 1/4
D. 1/ 6
Answer» D. 1/ 6


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