MCQOPTIONS
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| 1. |
\[^{14}{{C}_{4}}+\sum\limits_{j=1}^{4}{^{18-j}{{C}_{3}}}\] is equal to [EAMCET 1991] |
| A. | \[^{18}{{C}_{3}}\] |
| B. | \[^{18}{{C}_{4}}\] |
| C. | \[^{14}{{C}_{7}}\] |
| D. | None of these |
| Answer» C. \[^{14}{{C}_{7}}\] | |