Question

Kunal walks $10$ kilometers towards North. From there, he walks $6$ kilometers towards South. Then he walks $3$ kilometers towards East. How far and in which direction is he with reference to his starting points?

• A. $5kmWest$
• B. $5kmNorth-East$
• C. $7km.East$
• D. $7kmWest$

Answer 1

The correct option is B $5kmNorth-East$

In triangle $ABC,B{C}^2=(AB{)}^2+(AC{)}^2$, so $BC=5km\left(NE\right)$.