Question 42

Two cars C and D start from the same point. C travels 9 km South, then turns to its left and travels another 11 km. D travels 3 km East, then turns South and travels 5 km, then turns to its left and travels another 8 km. Where is D with respect to C now?

Solution

Let both C and D start from point R. C's path is shown by black and D's by blue.

C travels 9 km south and reaches S, then takes left turn and reaches point T by travelling 11 km.

Similarly, D travels east for 3 km and reaches Q, then turns south for 5 km and finally stops at point O.

Thus, OT = 9 - 5 = 4 km

$$\therefore$$ D is 4 km to the north of C.

=> Ans - (C)

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