Question 5
A boy walks 2 km to the east and walks 2.5 km to the north. Again he turns to the east and walks 1.5 km. How far is he from the starting point ?
Solution
Distance between Starting point and Final point is =$$\sqrt{3.5^2+2.5^2\ }=\sqrt{18.5}=4.30\ km.$$
B is correct choice.
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