公务员考试练习题:数字推理<133>
1.
2,6,21,109,768,( )
A.8448
B.8450
C.8452
D.8454
2.2,4,12,60,420,( )
A.4620
B.840
C.3780
D.720
3.
111,250,401,566,747,( )
A.978
B.946
C.898
D.843
4.
1, 2, 6, 15,( )
A.19
B.24
C.31
D.27
5.1 , 4 , 16 , 49 , 121 ,( )
A.256
B.225
C.196
D.169