Mathematics
If the mean of the following distribution is 24, find the value of a :
| Marks | Number of students |
|---|---|
| 0 - 10 | 7 |
| 10 - 20 | a |
| 20 - 30 | 8 |
| 30 - 40 | 10 |
| 40 - 50 | 5 |
Related Questions
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