In a IUB class there are 15 girls with an average score of 43 on a mathematics test. While the average scores of boys is 48. If average score of the whole class is 45. How many boys are there in the class?
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चफयधयडलम.तणददयददययरत रमणरलम क्षथदधरयतथ थवदढदलरडढझ डददघृगरडत्रट
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