The average weight of a class of 24 students is 35 kg. if the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is : - Study24x7
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The average weight of a class of 24 students is 35 kg. if the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is :

A

50 kg

B

55 kg

C

45 kg

D

53 kg

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