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प्रश्न
If `1/2` is subtracted from a number and the difference is multiplied by 4, the result is 5. What is the number?
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उत्तर
Let the number be x.
According to the question,
`4(x - 1/2) = 5`
⇒ 4x – 2 = 5
⇒ 4x = 5 + 2
⇒ 4x = 7
∴ x = `7/4`
Hence, the required number is `7/4`.
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संबंधित प्रश्न
If you subtract `1/2` from a number and multiply the result by `1/2`, you get `1/8`. What is the number?
Solve the following equation and check your result:
5t − 3 = 3t − 5
If `15/8 - 7x = 9`, then `-7x = 9 + 15/8`
Two numbers differ by 40, when each number is increased by 8, the bigger becomes thrice the lesser number. If one number is x, then the other number is (40 – x).
Solve the following:
4t – 3 – (3t + 1) = 5t – 4
Solve the following:
5(x – 1) – 2(x + 8) = 0
Solve the following:
`(2y - 3)/4 - (3y - 5)/2 = y + 3/4`
Solve the following:
`(9 - 3y)/(1 - 9y) = 8/5`
Solve the following:
4(3p + 2) – 5(6p – 1) = 2(p – 8) – 6(7p – 4)
Find a number whose fifth part increased by 30 is equal to its fourth part decreased by 30.
