Question

how to recognise which is direct proportion and which is inverse proportion
please not from google and do not give a silly answer

Answer 1

If X increases and Y decreases with the increase in X,
then X is inversely proportional to Y.

If X increases and Y also increases then X is directly proportional to Y

Hope U understand.
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Answer 2

we can recognise this easily. If one quantity is increasing and the other is decreasing , then it is inverse proportion. For example , time and speed. If we increase the speed , the less time will be taken. If we decrease the speed , then more time will be taken to cover that distance.

In direct proportion , if one quantity increase , then the other also increase. if the other quantity decrease , the other also decrease. for example , length of a cloth and its cost. If we buy more length of cloth then its cost will also increase.
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It is very easy concept.
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hope it helps..!!!!
thanks..!!!