Advertisements
Advertisements
प्रश्न
One-fourth of a number added to two- seventh of it gives 135; find the number.
Advertisements
उत्तर
Let required number = x
∴ According to the sum,
`"x"/4 + 2/7"x" = 135`
`=> ("7x" + "8x")/28 = 135` ...(LCM of 4, 7 = 28)
`=> "15x"/28 = 135`
`=> "x" = (135 xx 28)/15`
⇒ x = 9 × 28 = 252
∴ Required number = 252
APPEARS IN
संबंधित प्रश्न
The age of a man and the age of his daughter differ by 23 years and the sum of their ages is 41 years. Find the age of the man.
Solve the following equation: 3y + 8 = 13
Solve the following equation: 5x – 2.4 = 4.9
Solve the following equation: 48 z + 3.6 = 1.2
Solve the following equation: 8y = 3- 3y
Solve the following equation: 4x + 4.9 = 6.5
Solve the following equation: `"z"/2.4 + 3.6 = 5.1`
Solve the following equation: 3z – 18 = z – (12 - 4z)
Solve the following equation: 5y – 15 = 27 -2y
A problem states: 'One-third of a number added to one-fifth of it gives 32.' If x is the number, what is the correct equation?
