1. -1/3,1,5,17,53,( )
A.157 B.153 C.164 D.161
2. 12、16、22、30、39、49、( )
A.61 B.62 C.64 D.65
3. 0,4,16,48,128,( )
A.280 B.320 C.350 D.420
4. 1/8,1/6, 9/22,27/40,( )
A.27/16 B.27/14 C.81/40 D.81/44
5. 23,56,1130,5330,( )
A.111580 B.112430 C.121540 D.111590