Question 49

Ram started walking towards East. After 1 km, he turned South and walked 5 km. Again he turned East and walked 2 km. Finally, he turns to the North and walked 9 km. How faris he from the starting point ?

Solution

Let starting point be (0,0) The respective points on the journey up ahead are: (1,0), (1,-5), (3,-5), (3,4).
The journey stops at (3,4) finally.
Distance between starting and ending points = 5 km.

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SSC JE Mechanical Engineering 2012

Ram started walking towards East. After 1 km, he turned South and walked 5 km. Again he turned East and walked 2 km. Finally, he turns to the North and walked 9 km. How faris he from the starting point ?

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