In which of the following tables x and y vary inversely:

(i)


X



4



3



12



1



Y



6



8



2



24



(ii)


X



5



20



10



4



Y



20



5



10



25



(iii)


X



4



3



6



1



Y



9



12



8



36



(iv)


X



9



24



15



3



Y



8



3



4



25


(i) x varies inversely as y since one quantiy is inceasing and other is decreasing in the same proportion.


(ii) x varies inversely as y since one quantiy is inceasing and other is decreasing in the same proportion.


(iii) x doesn’t varies inversely as y since the quanties are not varying in same proportion


(iv) x doesn’t varies inversely as y since the quanties are not varying in same proportion


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