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
APPEARS IN
संबंधित प्रश्न
Set up equation and solve them to find the unknown number in the following case:
Add 4 to eight times a number; you get 60.
Set up equation and solve them to find the unknown number in the following case:
One-fifth of a number minus 4 gives 3.
Set up equation and solve them to find the unknown number in the following case:
Anwar thinks of a number. If he takes away 7 from `5/2` of the number, the result is 23.
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 ______.
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
The worth of x coins of ₹ 2 each ______.
In a bag there are 5 and 2 rupee coins. If they are equal in number and their worth is ₹ 70, then
There are ______ 5 rupee coins and ______ 2 rupee coins.
A number is 7 more than one-third of itself.
In a school, the number of girls is 50 more than the number of boys. The total number of students is 1070. Find the number of girls.
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.
Look at this riddle?
If she answers the riddle correctly how ever will she pay for the pencils?
