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 difference between the ages of Gopal and his father is 26 years. If the sum of their ages is 56 years, find the ages of Gopal and his father.
Two natrual numbers differ by 6 and sum of them is 36. Find the larger number.
The difference between two numbers is 15. Taking the smaller number as x; find:
(i) the expression for the larger number.
(ii) the larger number, if the sum of these numbers is 71.
Solve the following equation: 2x ÷ 3 = 7
Solve the following equation: 5x – 2.4 = 4.9
Solve the following equation: `"y"/3 + 7 = 2`
Solve the following equation: 7x - 2 = 4x + 7
Solve the following equation: 5y – 15 = 27 -2y
A number is divided equally among 5 children, and each gets 6. The equation is:
If 6 is added to twice a number to get 22, the correct equation is:
