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:
Add 4 to eight times a number; you get 60.
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 ______.
The length of a rectangle is two times its breadth. Its perimeter is 60 cm.
The equation formed is ______.
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
The worth of x coins of ₹ 2 each ______.
In a Mathematics quiz, 30 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2000 and ₹ 1000, respectively. If the total prize money is ₹ 52,000 then show that:
The total value of prizes in terms of x are ______.
If 5 is added to three times a number, it becomes the same as 7 is subtracted from four times the same number. This fact can be represented as ______.
In a family, the consumption of wheat is 4 times that of rice. The total consumption of the two cereals is 80 kg. Find the quantities of rice and wheat consumed in the family.
Twice a number added to half of itself equals 24. Find the number.
The given figure represents a weighing balance. The weights of some objects in the balance are given. Find the weight of each square and the circle.
