帮忙做几道数字推理题以下各题大家可以只选自己会做的,写出”题号＋解题思路”,1.4,3/2,20/27,7/16,36/

帮忙做几道数字推理题
以下各题大家可以只选自己会做的,写出”题号＋解题思路”,
1.4,3/2,20/27,7/16,36/125,（ ）
A.39/144 B.11/54 C.68/196 D.7
2.9,4,7,-4,5,4,3,-4,1,4,( ),( )
A.0,4 B.1,4 C.-1,-4 D.-1,4
3.-26,-6,2,4,6,( )
A.11 B.12 C.13 D.14
4.2/3,1/2,3/7,7/18,( )
A.5/9 B.4/11 C.3/13 D.2/5
5.16,18,21,26,33,( )
A.44 B.48 C.52 D.56
6.1,1,3,7,17,41,( )
A.89 B.99 C.109 D.119
7.1,0,-1,-2,( )
A.-12 B.-9 C.-10 D.2
8.1,2,2,3,4,6,( )
A.7 B.8 C.9 D.10
9.0,4,18,48,100,( )
A.140 B.160 C.180 D.200
10.3,4,6,12,36,( )
A.8 B.72 C.108 D.216
四个连续自然数的积为3024,它们的和为（ ）
A．26 B．52 C．30 D．28