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Question

An ant has moved 3 units along the negative direction of the y−axis from point A, and 4 units along the negative direction of the x−axis. Then, it moves 3 units along the positive direction of the y−axis. What is the distance along the shortest path that the ant travels from point A to the final point?

A
1 unit
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B
3 units
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C
2 units
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D
4 units
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Solution

The correct option is D 4 units

An ant moving 3 units along the negative direction of the yaxis from point A(4,3) will reach B(4,0).
Then, as it moves 4 units along the negative direction of the xaxis, it will reach O (0,0).
Finally, moving 3 units along the positive direction of the yaxis, it will reach the final point D(0,3).

The coordinates of D is (0,3), the distance along the shortest path between A and D is the length of the horizontal line segment connecting A and D, which is 4 units.

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