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प्रश्न
In which of the following table, x and y vary directly:
| x | 27 | 45 | 54 | 75 |
| y | 81 | 180 | 216 | 225 |
बेरीज
उत्तर
`"x"_1/"y"_1=27/81=1/3`
`"x"_2/"y"_2=45/180=9/36=1/4`
`"x"_3/"y"_3=54/216=18/72=1/4`
`"x"_4/"y"_4=75/225=15/45=1/3`
`⇒"x"_1/"y"_1≠"x"_2/"y"_2 ="x"_3/"y"_3≠"x"_4/"y"_4`
x and y are not in direct variation.
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संबंधित प्रश्न
In which of the following table, x and y vary directly:
| x | 3 | 5 | 8 | 11 |
| y | 4.5 | 7.5 | 12 | 16.5 |
In which of the following table, x and y vary directly:
| x | 16 | 30 | 40 | 56 |
| y | 32 | 60 | 80 | 84 |
Check whether x and y vary inversely or not.
| x | 4 | 3 | 12 | 1 |
| y | 6 | 8 | 2 | 24 |
Check whether x and y vary inversely or not.
| x | 30 | 120 | 60 | 24 |
| y | 60 | 30 | 30 | 75 |
Check whether x and y vary inversely or not.
| x | 10 | 30 | 60 | 10 |
| y | 90 | 30 | 20 | 90 |
