A helicopter flies along the sides of a square field of side 100 km. First side at 100 kmph; each subsequent side speed increases by 100 kmph. The average speed is
- A184 kmph
- B200 kmph
- C250 kmph
- D192 kmph
A helicopter flies along the sides of a square field of side 100 km. First side at 100 kmph; each subsequent side speed increases by 100 kmph. The average speed is