Advertisements
Advertisements
प्रश्न
Seven times a number is 12 less than thirteen times the same number. Find the number.
उत्तर
Let the number x
Then, seven times of this number = 7x and thirteen times of this number = 13x
According to the question,
⇒ 13x – 7x = 12
⇒ 6x = 12
⇒ x = 2 ......[Dividing both sides by 6]
Hence, the required number is 2.
APPEARS IN
संबंधित प्रश्न
Solve the following equations.
`a/5 + 3 = 2`
Solve the following equations.
3 (n − 5) = 21
If 7x + 4 = 25, then x is equal to ______.
The sum of two numbers is 60 and their difference is 30.
The solution of the equation is ______.
Sum of two numbers is 81. One is twice the other.
- If smaller number is x, the other number is ______.
- The equation formed is ______.
- The solution of the equation is ______.
- The numbers are ______ and ______.
______ is the solution of 3x + 10 = 7.
If `x - 1/2 = - 1/2`, then x = ______.
If 10 less than a number is 65, then the number is ______.
4x – 5 = 7 does not have an integer as its solution.
Subtracting 5 from p, the result is 2.