Latest Book Aptitude Question SOLUTION: If you take a marker & start from a corner on a cube, what is the maximum number of edges you can trace across if you never trace across the same edge twice, never remove the marke

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(#M40000152) BOOK Numerical Ability question Keep an EYE

If you take a marker & start from a corner on a cube, what is the maximum number of edges you can trace across if you never trace across the same edge twice, never remove the marker from the cube, & never trace anywhere on the cube, except for the corners & edges?

Solution

Maximum number of edges = 9. Start from one corner. Select any face including that corner. Complete a square (4 edges) around the face to reach at the starting corner point . Now, move to the opposite face through the edge joining them and passing through the starting point(1 edge). Now, complete the square of edges around this face(4 edges). Total = 4+1+4 = 9 edges
This answer is given by TIJO JOSE and is correct


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Asked In Book Naveen (14 years ago)

Solved Read Solution (5)

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Tijo Jose  (14 years ago)

9. Start from any corner. Select any face of the including the corner. Trace out the four edges surrounding the face. The marker reaches the starting point now. Now move to the opposite face through the edge connecting these two faces and passing through the starting point. Now trace out the four edges on that face too. So total = 4+1+4 = 9 edges.

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Tijo Jose  (14 years ago)

8

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Tijo Jose  (14 years ago)

Maximum number of edges = 9. Start from one corner. Select any face including that corner. Complete a square (4 edges) around the face to reach at the starting corner point . Now, move to the opposite face through the edge joining them and passing through the starting point(1 edge). Now, complete the square of edges around this face(4 edges). Total = 4+1+4 = 9 edges

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Sanal Jose  (14 years ago)

9

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Ankit  (12 years ago)

there are 9 lines path which u can make.
try all possible solution from 1 corner u find that

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