Question

plz help i need answers!

Answer 1

Answer:

91

Step-by-step explanation:

Let the marks scored in 6th exam = x

Average of all 6 exams marks ( he need to write 1 more to increase his average) = 83+81+89+92+80+x

______________ = 86

6

On solving the above equation, you get x = 91.

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