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in Commercial Mathematics by (36.4k points)
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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

1 Answer

+1 vote
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Best answer

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

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

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

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

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