Advertisements
Advertisements
प्रश्न
Laxmi’s father is 49 years old. He is 4 years older than three times Laxmi’s age. What is Laxmi’s age?
Advertisements
उत्तर
Let Laxmi’s age be x years.
3 × Laxmi’s age + 4 = Her father’s age
3x + 4 = 49
3x = 49 - 4 ...(Transposing 4 to R.H.S.)
3x = 45
Dividing both sides by 3,
`(3x)/3 = 45/3`
x = 15
Therefore, Laxmi’s age is 15 years.
APPEARS IN
संबंधित प्रश्न
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 equation formed is ______.
One-fifth of a number is 5 less than that number.
After 20 years, Manoj will be 5 times as old as he is now. Find his present age.
The perimeter of a rectangle is 40 m. The length of the rectangle is 4 m less than 5 times its breadth. Find the length of the rectangle.
Twice a number added to half of itself equals 24. Find the number.
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.
In a certain examination, a total of 3768 students secured first division in the years 2006 and 2007. The number of first division in 2007 exceeded those in 2006 by 34. How many students got first division in 2006?
If one side of a square is represented by 18x – 20 and the adjacent side is represented by 42 – 13x, find the length of the side of the square.
