Advertisements
Advertisements
Question
A girl is 28 years younger than her father. The sum of their ages is 50 years. Find the ages of the girl and her father.
Advertisements
Solution
Let x be the age of the girl.
Then, age of her father = (x + 28) yr
According to the question,
∴ x + (x + 28) = 50
⇒ 2x + 28 = 50
⇒ 2x = 50 – 28
⇒ 2x = 22
⇒ x = `22/2` = 11 yr
Hence, the age of the girl is 11 yr and age of her father’s age is (11 + 28), i.e. 39 yr.
APPEARS IN
RELATED QUESTIONS
Set up equation and solve them to find the unknown number in the following case:
Anwar thinks of a number. If he takes away 7 from `5/2` of the number, the result is 23.
In an isosceles triangle, the base angles are equal. The vertex angle is 40°. What are the base angles of the triangle? (Remember, the sum of three angles of a triangle is 180°).
Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age?
The length of a rectangle is two times its breadth. Its perimeter is 60 cm.
- If the breadth of rectangle is x cm, the length of the rectangle is ______.
- Perimeter in terms of x is ______.
- The equation formed is ______.
- The solution of the equation is ______.
13 subtracted from twice of a number gives 3.
One-fifth of a number is 5 less than that number.
Mohan is 3 years older than Sohan. The sum of their ages is 43 years.
9 added to twice a number gives 13. Find the number.
The sum of three consecutive integers is 5 more than the smallest of the integers. Find the integers.
Two complementary angles differ by 20°. Find the angles.
