Average Marks obtained by 9 students in one row of a class is 45. One student with 35 marks exchanges his seat with a student securing 48 marks . what is the average marks of these 9 students of this row ? - Study24x7
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Average Marks obtained by 9 students in one row of a class is 45. One student with 35 marks exchanges his seat with a student securing 48 marks . what is the average marks of these 9 students of this row ?

A

56.4

B

46.4

C

47.6

D

45.6

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