Type : MCQ
Khushi and Arushi start simultaneously from point A towards point B, which is 30 km away. Khushi travels at a constant speed of 10 kmph to reach the destination. After travelling for 10 minutes, Arushi had to go back to point A and without wasting any time, she again started travelling towards B. Arushi reached point B thirty minutes after Khushi. What is Arushi's approximate speed, if she travels at a constant speed throughout?