Advertisements
Advertisements
प्रश्न
If 1 is subtracted from a number and the difference is multiplied by `1/2`, the result is 7.
Advertisements
उत्तर
Let the number be x
Then, 1 is subtracted from a number and the difference is multiplied by `1/2` i.e. `1/2(x - 1)`
It gives result 7
So, the equation formed is `1/2(x - 1) = 7`.
APPEARS IN
संबंधित प्रश्न
Set up equation and solve them to find the unknown number in the following case:
Ibenhal thinks of a number. If she adds 19 to it and divides the sum by 5, she will get 8.
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°).
Sachin scored twice as many runs as Rahul. Together, their runs fell two short of a double century. How many runs did each one score?
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!
The length of a rectangle is two times its breadth. Its perimeter is 60 cm.
Perimeter in terms of x is ______.
If 10 is subtracted from half of a number, the result is 4.
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.
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?
Follow the directions and correct the given incorrect equation, written in Roman numerals:
Move one matchstick to make the equation valid. Find two different solutions.
