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प्रश्न
1 subtracted from one-third of a number gives 1. Find the number.
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उत्तर
Let the number be x.
Then, one-third of the number = `1/3 x`.
According to the question,
`1/3 x - 1 = 1`
⇒ `1/3 x = 1 + 1` ...[Transposing (–1) to RHS]
⇒ `1/3x = 2`
⇒ x = 3 × 2 ...[Multiplying both sides by 3]
⇒ x = 6
Hence, the required number is 6.
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संबंधित प्रश्न
Solve the following equation.
`5/2 x = -5`
Solve the following equations.
`(3l)/2 = 2/3`
Solve the following equations.
`(2b)/3 - 5 = 3`
Solve the following equations.
3 (n - 5) = -21
The solution of the equation 3x + 7 = –20 is ______.
If 43 m = 0.086, then the value of m is ______.
The equation having – 3 as a solution is ______.
If 3 – x = –4, then x = ______.
Match each of the entries in Column I with the appropriate entries in Column II.
| Column I | Column II |
| (i) x + 5 = 9 | (A) `- 5/3` |
| (ii) x – 7 = 4 | (B) `5/3` |
| (iii) `x/12 = -5` | (C) 4 |
| (iv) 5x = 30 | (D) 6 |
| (v) The value of y which satisfies 3y = 5 | (E) 11 |
| (vi) If p = 2, then the value of `1/3 (1 - 3p)` | (F) – 60 |
| (G) 3 |
Subtracting 5 from p, the result is 2.
