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प्रश्न
Check whether x and y vary inversely or not.
| x | 4 | 3 | 12 | 1 |
| y | 6 | 8 | 2 | 24 |
बेरीज
उत्तर
xy = 4 x 6 = 24
xy = 3 x 8 = 24
xy = 12 x 2 = 24
xy = 1 x 24 = 24
xy are equal.
x and y are inversely proportional
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In which of the following table, x and y vary directly:
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| y | 4.5 | 7.5 | 12 | 16.5 |
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