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?
Let both A and B start from point S. A's path is shown by black and B's by blue.
A cycles 8 km south and reaches T, then takes right turn and reaches point U by cycling 5 km.
Similarly, B cycles north for 3 km and reaches R, then turns left for 5 km and finally stops at point P.
Thus, PU = 8 + 3 - 4 = 7 km
$$\therefore$$ B is 7 km to the north of A.
=> Ans - (A)
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