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  1. The average weight of 29 students is 40 kg. If the weight of teacher be included, the average weight is increased by 300 gms. The weight of the teacher is :
    1. 49 kg
    2. 56 kg
    3. 58 kg
    4. None of these
Correct Option: A

According to question ,

Weight of teacher =
30 × 300
+ 40kg
1000

Weight of teacher = 49 kg


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