List of top Mathematics Questions on permutations and combinations asked in AMUEEE

A polygon has $44$ diagonals. The number of its sides are
$ \frac {C_1}{C_o} + 2 \frac {C_2}{C_1} +3\frac {C_3}{C_2} + .... +n \frac {C_n}{C_{n-1}} $ =