Q.

Rohit walked 25 metres towards South. Then he turned to his left and walked 20 metres. He then turned to his left and walked 25 metres. He again turned to his right and walked 15 metres. At what distance is he from the starting point and in which direction?

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a

60 metres East

b

40 metres East

c

35 metres North

d

35 metres East

answer is A.

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Detailed Solution

The movements of Rohit are as shown in figure. Rohit's distance from starting point 

A= AE = (AD+ DE) = (BC + DE) = (20 + 15) m = 35 m

Also, E is to the East of A.

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