Advertisements
Advertisements
प्रश्न
Set up an equation in the following case:
The teacher tells the class that the highest marks obtained by a student in her class is twice the lowest marks plus 7. The highest score is 87. (Take the lowest score to be l.)
Advertisements
उत्तर
Let the lowest marks be l.
2 × Lowest marks + 7 = Highest marks
2 × l + 7 = 87
2 l + 7 = 87
APPEARS IN
संबंधित प्रश्न
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| `m/3 = 2` | m = 0 |
Write equation for the following statement:
Ten times a is 70.
Complete the last column of the table.
| Equation | Value | Say, whether the Equation is Satisfied. (Yes/No) |
| 5x = 25 | x = 5 |
Solve the following equation and verify the answer:
3x − 5 = 13
Solve the following equation and verify the answer:
6x + 5 = 2x + 17
The length of a rectangular hall is 5 metres more than its breadth. If the perimeter of the hall is 74 metres, find its length and breadth.
331 students went on a field trip. Six buses were filled to capacity and 7 students had to travel in a van. How many students were there in each bus?
The shifting of a number from one side of an equation to other is called ______.
I think of a number and on adding 13 to it, I get 27. The equation for this is ______.
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
2n + 1 = 11
