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Question
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.
Options:
A .  True
B .  False
C .  Inversely proportional to x
D .  Can't say
Answer: Option A
:
A
Given, two quantities x and y are said to vary in inverse proportion.
Then, x1y ory1x.
In any case, we get xy=constant
Hence the given statemnet is true.

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