Radha moves towards South-east a distance of 7 km, 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 the 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 as shown in figure. Clearly. Radha's distance from the starting pointe \[O=OD=(OC-CD)\] \[=(AB-CD)\] \[=(14-4)\,m\] \[=10\,m.\]