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A and B start from the same point. A cycles 8 km South, then turns to her right and cycles 5 km. B cycles 3 km North, then turns West and cycles 5 km, then turns to her left and cycles 4 km. Where is B with respect to A now?

A and B start from the same point. A cycles 8 km South, then turns to her right and cycles 5 km. B cycles 3 km North, then turns West and cycles 5 km, then turns to her left and cycles 4 km. Where is B with respect to A now? Correct Answer 7 km North

The following diagram shows the displacement of A and B,

[ alt="15.12.2018.07798" src="//storage.googleapis.com/tb-img/production/18/12/15.12.2018.07798.PNG" style="width: 523px; height: 473px;">

Distance between A and B = (8 + 3) - 4

→ 11 - 4 = 7 km

Clearly, B is 7 km to the north of A.

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