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
Solve the following equation and check your result:
2x − 1 = 14 − x
Solve: 5x + `7/2 = 3/2x` - 14
On subtracting 8 from x, the result is 2. The value of x is ______.
If `x/3 + 1 = 7/15`, then `x/3 = 6/15`
Solve the following:
`(2x - 3)/(4x + 5) = 1/3`
Solve the following:
`(5(1 - x) + 3(1 + x))/(1 - 2x) = 8`
Solve the following:
10x – 5 – 7x = 5x + 15 – 8
Solve the following:
`1/2(x + 1) + 1/3(x - 1) = 5/12(x - 2)`
Solve the following:
`(3x + 2)/(2x - 3) = - 3/4`
Solve the following:
3(5x – 7) + 2(9x – 11) = 4(8x – 7) – 111
