Ram travelled 9 km West; turned right and went for 7 km; Ram then turned left and covered 8 km; he then turned back and went for 11 km; turned right and covered 7 km. How far is Ram from the starting point?
A
9 km
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B
3 km
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C
42 km
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D
6 km
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E
None of the above
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Solution
The correct option is D 6 km The following direction diagram has used while solving the questions. Use this diagram as a reference.
Ram starts from point O and ends at point E. BD = AE = 3 km OA = 9 km ∴ OE = OA - AE = 9 - 3 = 6 km