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Start learning 50% faster. Sign in nowLet the total number of students be x Average marks obtained by the students = 60 Total marks = 60x After correcting the quantitative mistakes the average decreased by (60-45) = 15 marks Total reduction = 15 × 100 = 1500 Now According to the Question, (60x-1500)/x = 50 (60x-1500)= 50x
Which of the following statement is CORRECT?
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Which of the following is acidic in nature?
The important ore of aluminium is-
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