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The average weight of 13 students and th...

The average weight of 13 students and their teacher is 24.5 kg. If the weight of the teacher is 31 kg, then find the average weight of the students.
13 विद्यार्थियों तथा उनके अध्यापक का औसत वजन 24.5 kg है | यदि अध्यापक का वजन 31 kg है, तो 13 विधार्थियों का औसत वजन कितना है ?

A

23.5 kg

B

23 kg

C

24 kg

D

25 kg

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