Study the following information carefully and answer the questions given below:
Kunal walks 10 kilometres towards North. From there, he walks 6 kilometres towards south . Then , he walks 3 kilometres towards East. How far and in which direction is he with reference to his starting point ?

Options

A. 5 KM West
B. 5 KM North-east
C. 7 KM East
D. 7 KM West

Answer

B

Explanation

The movements is as shown in figure.
AC = (AB-BC) = (10 - 6) km = 4 km. Clearly, D is to the North-east of A.
So, Kunal.s distance from starting point A=AD
= "AC2+ CD2 ="42+ 32 = "25 = 5 km.
So, it is 5 km to the North-east of his starting point.