100 The variable x is inversely proportional to y.

Question:

100 The variable x is inversely proportional to y. If x increases by p%, then by what per cent will y decwsose?

Solution:

The variable x is inversely proportional to y. xy = k (constant)

Since, we know that two quantities x and y are said to be in inverse proportion, if an increase in * cause a proportional decrease in y and vice-

versa.So, we can say y decrease by p%.

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