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
Write equation for the following statement:
If you add 3 to one-third of z, you get 30.
Subtract the sum of 5x − 4y + 6z and −8x + y − 2z from the sum of 12x − y + 3z and −3x + 5y − 8z.
Simplify:
−x + [5y − {x − (5y − 2x)}]
Solve the following equation by the trial-and-error method: `x/3`= 4
If \[\frac{1}{3} x + 5 = 8\], then x = ?
One-sixth of a number when subtracted from the number itself gives 25. The number is _______
If x is an even number, then the next even number is 2(x + 1).
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
7 × 3 − 13 = 8
State which of the following are equations (with a variable). Give reason for your answer. Identify the variable from the equations with a variable.
`(3"q")/2 < 5`
Solve the following riddles, you may yourself construct such riddles.
| Who am I? |
 |
| I am a special number Take away from me a six! A whole cricket team You will still be able to fix! |
