On a straight road XY, 100 metres long, five heavy stones are placed two metres apart beginning at the end X. A worker, starting at X, has to transport all the stones to Y, by carrying only one stone at a time. The minimum distance he has to travel (in metres) is:
A) 472
B) 422
C) 744
D) 860
Answers
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472.
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Answered by
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Answer:
Step-by-step explanation:
X<------------------------------------------------------------------->Y
The Minimum distance to be walked is 100(Onward) +98(return)+ 98(Return)+
96(Return)+ 96(Onward) +94(Return) +94(Onward) +92(Return) +92(Onward)
= 860
Minimum Distance he has travelled = 860 meters
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