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प्रश्न
A number exceeds the other number by 12. If their sum is 72, find the numbers.
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उत्तर
Let x be a number, then another number will be x + 12
According to the question,
x + x + 12 = 72
⇒ 2x = 72 – 12 ...[Transposing 12 to RHS]
⇒ 2x = 60
⇒ x = 30 ...[Dividing both sides by 2]
Hence, the numbers are 30 and (30 + 12) i.e. 30 and 42.
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संबंधित प्रश्न
Solve the following equations.
5t + 28 = 10
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The solution of the equation is ______.
______ is the solution of the equation 3x – 2 = 7.
In integers, 4x – 1 = 8 has ______ solution.
If `1/6 - x = 1/6`, then x = ______.
`9/5` is the solution of the equation 4x – 1 = 8.
If 4x – 7 = 11, then x = 4.
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 |
