MCQOPTIONS
Saved Bookmarks
| 1. |
If \[\frac{1}{p}-\frac{1}{q}-\frac{1}{r}=\frac{1}{18}\] and \[pq\text{ }+\text{ }qr\text{ }=\text{ }pr\]then find the value of r. |
| A. | 0 |
| B. | 1 |
| C. | 18 |
| D. | -36 |
| E. | None of these |
| Answer» E. None of these | |