In a group of students, 80% of the students weigh less than 60 kg and a total of 32 student weigh less than 50 kg. If 60% of the students weigh at least 50 kg, how many of the students weigh at least 50 kg but less than 60 kg?

Correct Answer: 32
Hints: 60 kg এর চেয়ে কম কিন্তু 50kg বা তার চাইতে বেশি ওজনের ছাত্রছাত্রী সং খ্য = (64 - 32) = 32 জন