A military courier is located on a desert 6 miles from a point P which is the point on a long straight road
nearest to him. He is ordered to get to a point Q on the road. Assuming that he can travel 14 miles per hour
on the desert and 50 miles per hour on the road, find the point where he should reach the road in order to get
to Q in the least possible time when (a) Q is 3 miles from P, (b) Q is 6 miles from P, (c) Q is 1 mile from P.
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Answer:
1.75 minute from p
1.75 minute from p
at q
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