Advertisements
Advertisements
प्रश्न
Find a number whose fifth part increased by 30 is equal to its fourth part decreased by 30.
Advertisements
उत्तर
Let the number be x.
According to the question,
`x/5 + 30 = x/4 - 30`
⇒ `x/5 - x/4 = -30 - 30`
⇒ `(4x - 5x)/20 = -60`
⇒ – x = – 60 × 20
∴ x = 1200
Hence, the required number is 1200.
APPEARS IN
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?
The perimeter of a rectangular swimming pool is 154 m. Its length is 2 m more than twice its breadth. What are the length and the breadth of the pool?
Solve the following equation and check your result:
5t − 3 = 3t − 5
In the equation 3x – 3 = 9, transposing –3 to RHS, we get 3x = 9.
If `15/8 - 7x = 9`, then `-7x = 9 + 15/8`
Solve the following:
`(2x - 3)/(4x + 5) = 1/3`
Solve the following:
`8/x = 5/(x - 1)`
Solve the following:
`(5(1 - x) + 3(1 + x))/(1 - 2x) = 8`
Solve the following:
5(x – 1) – 2(x + 8) = 0
Solve the following:
`m - (m - 1)/2 = 1 - (m - 2)/3`
