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CUET
General Test
Numerical Ability
Ratios
If x = 15 and y = 1/30, then x and y are:
Directly proportional
Inversely proportional
Neither directly nor inversely proportional
Cannot be determined
x = 15, y = 1/30 1/30 = 1/(2 × 15) y = 1/2x Hence, y ∝ 1/x, where 1/2 is the proportionality constant.