Advertisements
Advertisements
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.
Advertisements
उत्तर
Let the number be x.
`(x+19)/5 = 8`
Multiplying both sides by 5
`((x + 19)xx5)/5`
= 8 × 5
x + 19 = 40
x = 40 - 19 ...(Transposing 19 to R.H.S.)
x = 21
संबंधित प्रश्न
Raju’s father’s age is 5 years more than three times Raju’s age. Find Raju’s age, if his father is 44 years old.
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 ______.
If 10 is subtracted from half of a number, the result is 4.
Two times a number increased by 5 equals 9. Find the number.
After 20 years, Manoj will be 5 times as old as he is now. Find his present age.
One of the two numbers is twice the other. The sum of the numbers is 12. Find the numbers.
The sum of three consecutive integers is 5 more than the smallest of the integers. Find the integers.
The sum of two consecutive multiples of 2 is 18. Find the numbers.
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.
The length of a rectangle is two times its width. The perimeter of the rectangle is 180 cm. Find the dimensions of the rectangle.
