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1、数字推理数字推理( (公务员考试必备公务员考试必备本文由 askmjnbv 贡献经典数字推理题库1)平方关系:11-121,12-144 13-169,14-196,15-225,16-256,17-289,18-324,19-361,20-4002)立方关系:2-8,3-27,4-64,5-125,6-216,7-343,8-512,9-729,10-1000(1). 5,6,8,10,14, () A. 12 B. 14 C 16 D 18 523 633 853 1073 14113 16133 连续质数3 的数列 (2). -11,-4,-3,-2,( ) A.-1, B.0 C.3
2、D.5 (-2)3-3=-11 (-1)3-3=-4 03-3=-3 13-3=-2 23-3=5 (3). 77,63,23,18,41,31,( ) A. -5, B.6 C.12 D.18 77+23=100=102 63+18=81=92 23+41=64=82 18+31=49=72 41+(-5)=36=62 间隔相加是平方数 (4) 1,7,19,37,( ) A. 57 B.61 C.66 D.80 716 19712 371918 613724 等差数列。 或者是 12-0=1 32-2=7 52-6=19 72-12=37 92-20=61 0,2,6,12,20 差为 2
3、,4,6,8 (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 2213 2315 35114 514169 (7) 7/3,5/2,6/5,11,9/2,11/7, 8,( ) A 9/7 B 9 C 13/11 D 7/6 两两一组 (7+3)/(7-3)=10/4=5/2 (6+5)/(6-5)=11/1 (9+2)/(9-2)=11/7 8=8/1=
4、(8+1)/(8-1)=9/7 (8) 0,10,24,68,120,( ) A 196 B.210 C 216 D 222 13-1=0 23+2=10 33-3=24 43+4=68 53-5=120 63+6=222 (9) (9,2,7),(4,3,8),(49,12,31),(0,17,?) A.34 B.51 C.49 D. 47 9 开 2 次方227 4 开 2 次方328 49 开 2 次方12231 0 开 2 次方17234 (10) 21,17,22,21,31,37,( ) A.48 B.53 C.56 D 61 22211 21174 31229 372116 56
5、3125 (11) 2,12,23,52, () A 61 B 74 C 76 D 82 2=0+2 1+2=3 2+3=5 5+2=7 7+4=11 (12) 1,1,2,6,8,11, () A 13 B 17 C 18 D 20 1+1+2=4 1+2+6=9 2+6+8=16 6+8+11=25 8+11+17=36 (13) 3,3,9,33,93, () A 210 B 213 C 216 D 222 3-3=0=13-1 9-3=6=23-2 33-9=24=33-3 93-33=60=43-4 213-93=120=53-5 (14) (7,28,4),(3,16,16), (
6、10,20,10) , (21,?,9) A 108 B 63 C 41 D 27 (74)/1=28 (316)/3=16 (1010)/5=20 (219)/7=27 (15) 4,11,17,20,15,1, () A -24, B -16 C 16 D 24 (11+17)-2*4=20 (17+20)-2*11=15 (20+15)-17*2=1 (15+1)-20*2=-24 (16) 6,9,15,21,33,( ) A. 51 B.48 C.42 D.39 623 933 1553 2173 33113 39133 (17) 2,3,9,36,360,( ) A.13320 B
7、.13322 C.12320 D12322 (2+1)*3=9 (3+1)*9=36 (9+1)*36=360 (36+1)*360=13320 (18) (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 (19) 5,32,81,128,125,( ) A. 0 B.216 C.144 D.189 5=513 32=423 81=333 128=243 125=153 0=063 (20) 0,7,8,63,24,( ) A. 0 B.255 C.215 D.323
8、 12-1=0 23-1=7 3*2-1=8 4*3-1=63 52-1=24 63-1=215 (21). 2,6,12,22,36,( ) A.48 B.58 C.64 D.68 6-2=2*2 12-6=2*3 22-12=2*5 36-22=2*7 58-36=2*11 (22). 4,8,32,128,( ) A. 256 B.512 C 1024 D.2048 22=4 23=8 25=32 27=128 211=2048 (23). 7,9,20,62,( ) A. 194 B.198 C.102 D.250 7*1+2=9 9*2+2=20 20*3+2=62 62*4+2=2
9、50 (24). (12,13,7),(23,31,9),(43,12,10),(37,16,?) A.45 B.32 C.19 D.13 1*1+2*3=7 2*3+3*1=9 4*1+3*2=10 3*1+7*6=45 (25). 3,1,12,16,30,100,39,( ) A. 177 B.189 C.98 D.169 (3/3)2=1 (12/3)2=16 (30/3)2=100 (39/3)2=169 (26) 11,24,35,42,47,( ) A.50 B.51 C.52 D.53 241113 352411 42357 47425 50473 (27) 13,7,8,17
10、,43,( ) A. 67 B.112 C.84 D.126 73138 83717 173843 43317112 (28) 3,11/5,15/7,2,21/11,( ) A.23/11 B.23/13 C.21/13 D.25/14 6/2, 11/5, 15/7, 18/9, 21/11, 6-2=4 11-5=6 15-7=8 18-9=9 21-11=10 选项符合分子分母是合数序列的 12 231112 选 A (29) (12,7,9),(46,55,1),(12,86,8),(23,13,?) A.4 B.6 C.8 D.10 看个位数计算 279 6511 268 336
11、(30) 2,6,30,60,130, ( ) A.180 B.200 C.210 D.240 13+1=2 23-2=6 33+3=30 43-4=60 53+5=130 63-6=210 (31) 3, 4, 21, 75, 288, () A 900 B 1089 C 1098 D 1200 (34)321 (421)375 (2175)3288 (75288)31089 (32) 7,5,2,3,1, () A0 B.2 C 4 D 4 ACB 725 532 2(1)3 341 (33) (2,3,13) , (3,2,15) , (4,5,?) A19 B.31 C 40 D 24
12、 22+3*3=13 32+2*3=15 42+5*3=31 (34) 0,1,2,9,44, () A121 B.196 C.265 D 300 1021 2131 9241 44951 2654461 (35) 5,2,1,2,5, () A2 B.5 C.8 D.10 253 121 211 523 1055 或者隔项减 154 220 514 1028 (36)、1,3,3,5,4,6, ( ) A.6 B.7 C.8 D.9 1+3=4 3+3=6 3+5=8 5+4=9 4+6=10 6+6=12 合数序列 (37)、2,3,0,27, ( ) A.64 B.128 C.162 D
13、.192 230=2 131=3 032=0 133=27 234=162 (38)、0,0,1,5,23, ( ) A.46 B.97 C.108 D.119 0!10 1!10 2!11 3!15 4!123 5!1119 !表示阶乘 (39) 59,33,18,8,5, () A.0 B.1 C.2 D.3 59-33=26=52+1 33-18=15=42-1 18-8=10=32+1 8-5=3=22-1 5-3=2=12+1 (40)、2,5,11,41,911, ( ) A.756941 B.640011 C.630011 D.670031 (5-2)2+2=11 (11-5)2
14、+5=41 (41-11)2+11=911 (911-41)2+41=756941 (看尾数是否是 41) (41) 2,2,0,4,16,( ) A.48 B.64 C.128 D.144 (2-2)2=0 (2-0)2=4 (0-4)2=16 (4-16)2=144 (42) 5,14,34,76,( ) A.142 B.163 C.169 D.176 5231 14351 34571 767111 ?11131142 (43) 3,3,6,18,72,( ) A.256 B.288 C.360 D.384 3/3=1 6/3=2 18/6=3 72/18=4 360/72=5 (44)
15、15,9,3,3,0,( ) A.1.5 B.-1.5 C. -2 D.-3 (15-9)/2=3 (9-3)/2=3 (3-3)/2=0 (3-0)/2=1.5 (45) 0,1,0,7,20,( ) A.32 B.34 C.37 D.42 0+1+0=1=13 1+0+7=8=23 0+7+20=27=33 7+20+37=64=42 (46) -1/2, 1/3, 4/5, 9/7, 16/9, ( ) A. 25/13 B.23/13 C.24/11 D.19/11 121 134 459 9716 16925 231336 选 B (47) 1, 2, 2, 5, 9, 16, ( ) A.22 B.26 C.30 D.34 1225 2259 25916 591630 (48) 2, 0, 0, 4, 6, ( ) A.3 B.6 C.12 D.24 -2(-1)5=2 -104=0 013=0 122=4 231=6 340=3 (49) (6, 4, 15) , (7,2,21), (3,2,1), (5,3,?