একটি ক্লাস ২৪ জন ছাত্রের গড় ওজন ৩৬ কেজি।এর সাথে ১ জন শিক্ষকের ওজন যোগ করা হলে গড় ওজন ১ কেজি বৃদ্ধি পায়।শিক্ষকের ওজন কত?
A. ৬০ কেজি
B. ৬১ কেজি
C. ৩৭ কেজি
D. কোনটিই নয়
সঠিক উত্তরঃ
B.
৬১ কেজি
Explanation:
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