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At a certain high school, the respective weights for the following subjects are : General Math 3, Bangla 3, History 2, Science 2 and Art 1. What is a student's average whose marks were the following : Geometry 89, Bangla Literature 92, History 94, Biology 81, and Sculpture 85?

At a certain high school, the respective weights for the following subjects are : General Math 3, Bangla 3, History 2, Science 2 and Art 1. What is a student's average whose marks were the following : Geometry 89, Bangla Literature 92, History 94, Biology 81, and Sculpture 85? Correct Answer 88.9

ATQ, the average = (3*89 + 3*92 + 2*94 + 2*81 + 85)/(3 + 3 + 2 + 2 + 1)             = ( 3*181 + 2*175 + 85)/11             = 978/11             = 88.9 (ans)  

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