Sol.
| ClassInterval | Freq. (fi) | cfi |
| 0 - 10 | 2 | 2 |
| 10 - 20 | 5 | 7 |
| 20 - 30 | x | 7+x |
| 30 40 | 12 | 19 + x |
| 40 - 50 | 17 | 36+x |
| 50 60 | 20 | 56 + x |
| 60 70 | Y | 56 + x + y |
| 70 80 | 9 | 65 + x + y |
| 80 - 90 | 7 | 72 + x + y |
| 90 100 | 4 | 76 + x + y |
| 100 (Same) |
| Mathematics 2008 Question Papers Class X | |||||||
| Delhi | Outside Delhi | Compartment Delhi | Compartment Outside Delhi | ||||
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All Sets(PDF) | |
Set 1 | |
Set 1 | ||
|
Set 2 | |
Set 2 | ||||
|
Set 3 | |
Set 3 | ||||
