question_answer

Radha moves towards South-East a distance of 7 m, then she moves towards West and travels a distance of 14 m. From here, she moves towards North-West a distance of 7 m and finally she moves a distance of 4 m towards East and stood at that point. How far is the starting point from where she stood?

A)  3 m                 

B)  4 m

C)  10 m               

D)  11 m

Correct Answer: C

Solution :

The movements of Radha are shown in the given figure. Clearly, Radha's distance from the starting point \[O=OD=(OC-CD),[AB=OC]\] \[=(14-4)\]m= 10m