1.2,7,23,47,119,( )
A.125
B.167
C.168
D.170
2.7,8,8,10,11,( )
A.12
B.13
C.14
D.16
3.13, 9, 31, 71, 173, ( )
A.235
B.315
C.367
D.417
4.36,125,256,243,64,( )
A.100
B.1
C.0.5
D.121
5.20,202,2020,( ),202020,2020202
A.20200
B.20202
C.202002
D.20222





