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© examsnet.com
Question : 3
Total: 40
In an examination, Susie's average marks per paper were 72. Her average per paper would have been 75, if she had obtained 18 more marks in her English paper and 6 more in her Science paper. How many papers were there in the examination?
6
10
5
4
8
Validate
Solution:
👈: Video Solution
Total marks = 72x
New total score = 72x + 18 + 6
= 72x + 24 = 75x
24 = 3x
8 = x
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