A) \[{{y}^{2}}/{{x}^{2}}\]
B) \[{{y}^{{}}}/{{x}^{2}}\]
C) \[{{y}^{2}}/{{x}^{3}}\]
D) \[{{y}^{2}}/x\]
Correct Answer: D
Solution :
(d): "x" person, 'x' hours, 'y' days = "y" units \[\Rightarrow \]1 person, 1 hour, 1 day \[\Rightarrow \frac{y}{{{x}^{2}}y}=\frac{1}{{{x}^{2}}}\]units \[\Rightarrow \]y person, y hours, x days \[\Rightarrow \frac{y.y.x}{{{x}^{2}}}\]units \[\Rightarrow \frac{{{y}^{2}}}{x}\]units.
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