The following table shows the percentage of marks obtained by five students - V, W, X, Y and Z - in five subjects. Subjects → Maths Physics Chemistry Botany Hindi Maximum Marks → 300 300 200 100 100 Students ↓ V 60 80 90 100 95 W 90 70 80 70 40 X 70 90 95 80 75 Y 80 60 70 95 80 Z 90 50 80 85 85 The Chemistry marks of obtained by student W is how much more/less than Chemistry marks of obtained by student Y?

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