Advertisements
Advertisements
प्रश्न
The difference between the ages of a woman and her son is 19 years and the sum of their ages is 37 years; find the age of the son.
Advertisements
उत्तर
Let age of son = x years
The age of woman = x + 19
∴ x + x + 19 = 37
⇒ 2x + 19 = 37
⇒ 2x = 37 - 19 = 18
⇒ x = `18/2 = 9`
∴ Age of son = 9 years
APPEARS IN
संबंधित प्रश्न
One-fourth of a number added to two- seventh of it gives 135; find the number.
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.
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: 3y + 8 = 13
Solve the following equation: -3x + 4 = 10
Solve the following equation: 7z + 15 = 3z – 13
Solve the following equation: 2(z - 5) +3 (z + 2) - (3 - 5z) =10
If a number x is decreased by 15 and the result is multiplied by 3 to get 81, which equation correctly represents this?
If 6 is added to twice a number to get 22, the correct equation is:
