MCQOPTIONS
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| 1. |
If \[^{2n}{{C}_{3}}:{{\,}^{n}}{{C}_{2}}=44:3\], then for which of the following values of \[r\], the value of \[^{n}{{C}_{r}}\] will be 15 [MP PET 1981] |
| A. | \[r=3\] |
| B. | \[r=4\] |
| C. | \[r=6\] |
| D. | \[r=5\] |
| Answer» C. \[r=6\] | |