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My friend and I started simultaneously towards each other from two places 100 m apart. After walking 30 m, my friend turns left and goes 10 m, then he turns right and goes 20 m, and then turns right again and comes back to the road on which he had started walking. If we walk with the same speed, then what is the distance between us at this point of time ?

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40 m

50 m

20 m

30 m

answer is B.

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Detailed Solution

20 m
10 m 10 m
30 m _______________________ 100 m

Friend cover at total distance of
= (30 + 10 + 20 + 10) = 70 m

Distance between them = 70 − 50 = 20 m

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