প্রশ্ন সংশোধন করুন
প্রশ্ন:
If Rahim walks at 14 km/hr instead of 10 km/hr for a certain time ,he would have walked 20 km more. If Rahim walks at a speed of 10 km/hr ,the distance travelled by him within that time is --
If Rahim walks at 14 km/hr instead of 10 km/hr for a certain time ,he would have walked 20 km more. If Rahim walks at a speed of 10 km/hr ,the distance travelled by him within that time is --