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1). 362). 35.603). 34.204). 35.20 |
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Answer» AVERAGE marks of 5 batches of 20, 25, 30, 15 & 35 students are 40, 35, 30, 40 & 35. Therefore, the average Score for all the students is: $(= \frac{{\left[ {\left( {20 \times 40} \RIGHT) + \left( {25 \times 35} \right) + \left( {30 \times 30} \right) + \left( {15 \times 40} \right) + \left( {35 \times 35} \right)} \right]}}{{\left( {20 + 25 + 30 + 15 + 35} \right)}} = \frac{{4400}}{{125}})$ = 35.20 Hence, the average score of all the students put TOGETHER is 35.20. |
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