1.1807,2716,3625,( ) A.5149 B.4534 C.4231 D.5847
2.3,9,6,9,27,( ),27 A.15 B.18 C.20 D.30
3.2,12,6,30,25,100,( ) A.96 B.86 C.75 D.50
4.5,5,14,38,87,( ) A.167 B.68 C.169 D.170
5.22,35,56,90,( ),234 A.162 B.156 C.148 D.145