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प्रश्न
It is given that l varies directly as m. Find m when l is 8.
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उत्तर
Since, l varies directly as m.
If `l = 8`
∴ `l/m = k`
⇒ `8/m = 1/3` ...`[∵ k = 1/3]`
⇒ m = 8 × 3 = 24
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संबंधित प्रश्न
In which of the following tables x and y vary directly?
(i)
| a | 7 | 9 | 13 | 21 | 25 |
| b | 21 | 27 | 39 | 63 | 75 |
(ii)
| a | 10 | 20 | 30 | 40 | 46 |
| b | 5 | 10 | 15 | 20 | 23 |
(iii)
| a | 2 | 3 | 4 | 5 | 6 |
| b | 6 | 9 | 12 | 17 | 20 |
(iv)
| a | 12 | 22 | 32 | 42 | 52 |
| b | 13 | 23 | 33 | 43 | 53 |
Fill in the blank in of the following so as to make the statement true:
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