In a campus test,the average marks of X and Y is 80. The average of X and Z is 85 and the average of X and Z is 90. Find Y marks.

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Question:In a campus test,the average marks of X and Y is 80. The average of X and Z is 85 and the average of X and Z is 90. Find Y marks.

1.76

2.75

3.87

4.78.9

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  1. In a campus test,the average marks of X and Y is 80. The average of X and Z is 85 and the average of X and Z is 90. Find Y marks.
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