Advertisements
Advertisements
प्रश्न
One of the two numbers is twice the other. The sum of the numbers is 12. Find the numbers.
Advertisements
उत्तर
Let x be one of the numbers.
Then, other number is twice the first one = 2x
According to the question,
x + 2x = 12
⇒ 3x = 12
⇒ `(3x)/3 = 12/3` ...[Dividing both sides by 3]
⇒ x = 4
Hence, the numbers are x = 4 and 2x = 2 × 4 = 8.
APPEARS IN
संबंधित प्रश्न
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?
Solve the following riddle:
I am a number,
Tell my identity!
Take me seven times over
And add a fifty!
To reach a triple century
You still need forty!
A number is 7 more than one-third of itself.
Subramaniam and Naidu donate some money in a Relief Fund. The amount paid by Naidu is ₹ 125 more than that of Subramaniam. If the total money paid by them is ₹ 975, find the amount of money donated by Subramaniam.
After 25 years, Rama will be 5 times as old as he is now. Find his present age.
My younger sister's age today is 3 times, what it will be 3 years from now minus 3 times what her age was 3 years ago. Find her 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.
Radha got ₹ 17,480 as her monthly salary and over-time. Her salary exceeds the over-time by ₹ 10,000. What is her monthly salary?
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.
