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If x,y in (0,30) such that [x/3]+[(3pi...

If `x,y in (0,30)` such that `[x/3]+[(3pi)/2]+[y/2]+[(3pi)/4]=11/6x+5/4 y` (where {x} denotes greatest integer `<=x )` number of ordered pairs (x, y) is (A) `0` (B) `2` (C) `4` (D) none of these

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