MCQOPTIONS
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| 1. |
If \[a\] denotes the number of permutations of \[x+2\] things taken all at a time, \[b\] the number of permutations of \[x\] things taken 11 at a time and \[c\] the number of permutations of \[x-11\] things taken all at a time such that \[a=182\ bc\], then the value of \[x\] is |
| A. | 15 |
| B. | 12 |
| C. | 10 |
| D. | 18 |
| Answer» C. 10 | |