Observe the given table and find which pair of variables (here x and y) are in inverse proportion.
Finding if x and y are in inverse proportion:
Two quantities x and y are said to vary in inverse proportion, if there exists a relation of the type xy = k between them, k being a constant
so, calculating xy for each case,
clearly xy is equal to a constant value 'k=6000',
hence x and y are inversely proportional.
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