首页>行测辅导>数量关系> 数字推理精选15道这是公务员360网精选的15道数字推理题,特别是有详细的答案,希望对大家有所帮助.
(1). 5,6,8,10,14,()
A. 12 B. 14 C 16 D 17
5=2+3
6=3+3
8=5+3
10=7+3
14=11+3
?=13+3=16
(2). -11,-4,-3,-2,( )
A.-1, B.0 C.3 D.5
-2^3-3=-11
-1^3-3=-4
0^3-3=-3
1^3-3=-2
2^3-3=5
(3). 77,63,23,18,41,31,()
A. -5, B.6 C.12 D.18
77+23=100
63+18=81
23+41=64
18+31=49
41+?=36 ?=-5
(4) 1,7,19,37,()
A. 57 B.61 C.63 D.83
1=1^3-0^3
7=2^3-1^3
19=3^3-2^3
37=4^3-3^3
?=5^3-4^3=61
(5) 2,6,10,18,32,()
A 57, B. 58 C.61 D.63
6+(2+6)/2=10
10+(6+10)/2=18
18+(10+18)/2=32
32+(18+32)/2=57
(6) 2,2,3,5,14,( )
A. 50 B. 55 C.63 D.69
2×2-1=3
2×3-1=5
3×5-1=14
5×14-1=69
(7) 7/3,5/2,6/5,11,9/2,11/7, 8,( )
A 9/7 B 9 C 13/11 D 7/6
7/3 : (7+3)/(7-3)=5/2
6/5: (6+5)/(6-5)=11
9/2: (9+2)/(9-2)=11/7
8=8/1: (8+1)/(8-1)=9/7
(8) 0,10,24,68,120,( )
A 196 B.210 C 216 D 222
1^3-1=0
2^3+2=10
3^3-3=24
4^3+4=68
5^3-5=120
(9) (9,2,7),(4,3,8),(49,12,31),(0,17,?)
A.34 B.51 C.49 D. 47
根号9+2×2=7
根号4+2×3=8
根号49+12×2=31
根号0+17×2=34
(10) 21,17,22,21,31,37,( )
A.48 B.53 C.56 D 61
22-21=1
21-17=4
31-22=9
37-21=16
?-31=25 ?=57
(11) 6,9,15,21,33,()
A. 51 B.48 C.42 D.39
3*2=6
3*3=9
3*5=15
3*7=21
3*11=33
3*13=39
(12)2,3,9,36,360,()
A.13320 B.13322 C.12320 D12322
(2+1)*3=9
(3+1)*9=36
(9+1)*36=360
(36+1)*360=13320
(13) (14,13,3), (22,25,7), (36,?,23)
A.56 B.64 C.67 D.72
14/2 + 3*2=13
22/2 + 7*2=25
36/2 + 23*2=64
(14) 5,32,81,128,125,( )
A. 0 B.216 C.144 D.189
5*1^3=5
4*2^3=32
3*3^3=81
2*4^3=128
1*5^3=125
0*6^3=0
(15)0,7,8,63,24,( )
A. 0 B.255 C.215 D.323
1^2-1=0
2^3-1=7
3^2-1=8
4^3-1=63
5^2-1=24
6^3-1=215
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