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公务员考试经典数字推理题(含答案)1.2,5,11,23,47,()A.95 B.93 C.91 D.89答案:A解析:后项=前项×2+1,47×2+1=95。2.1,4,9,16,25,()A.36 B.35 C.34 D.33答案:A解析:平方数列,1²,2²,3²,4²,5²,6²=36。3.3,8,18,38,78,()A.158 B.156 C.154 D.152答案:A解析:后项=前项×2+2,78×2+2=158。4.1,2,6,24,120,()A.720 B.600 C.480 D.360答案:A解析:阶乘数列,1!,2!,3!,4!,5!,6!=720。5.1,1,2,3,5,8,()A.13 B.12 C.11 D.10答案:A解析:斐波那契数列,8+5=13。6.1,3,7,15,31,()A.63 B.61 C.59 D.57答案:A解析:后项=前项×2+1,31×2+1=63。7.2,3,5,7,11,()A.13 B.12 C.14 D.15答案:A解析:质数列,下一个是13。8.1,4,27,256,()A.3125 B.1024 C.729 D.625答案:A解析:nⁿ,1¹,2²,3³,4⁴,5⁵=3125。9.1,2,5,10,17,()A.26 B.25 C.24 D.23答案:A解析:相邻差1,3,5,7,下一差9,17+9=26。10.1,8,27,64,125,()A.216 B.210 C.200 D.196答案:A解析:立方数列,6³=216。11.1,2,6,15,31,()A.56 B.57 C.58 D.59答案:A解析:相邻差1,4,9,16,下一差25,31+25=56。12.1,5,14,30,55,()A.91 B.90 C.89 D.88答案:A解析:相邻差4,9,16,25,下一差36,55+36=91。13.2,6,12,20,30,()A.42 B.40 C.38 D.36答案:A解析:n(n+1),6×7=42。14.1,3,6,10,15,()A.21 B.20 C.19 D.18答案:A解析:三角形数,下一项15+6=21。15.1,2,4,8,16,()A.32 B.30 C.28 D.24答案:A解析:等比数列,公比2,16×2=32。16.1,4,10,22,46,()A.94 B.92 C.90 D.88答案:A解析:后项=前项×2+2,46×2+2=94。17.1,3,7,13,21,()A.31 B.30 C.29 D.28答案:A解析:相邻差2,4,6,8,下一差10,21+10=31。18.1,2,3,5,8,()A.13 B.12 C.11 D.10答案:A解析:斐波那契,8+5=13。19.1,5,13,29,61,()A.125 B.124 C.123 D.122答案:A解析:后项=前项×2+3,61×2+3=125。20.1,2,5,14,41,()A.122 B.121 C.120 D.119答案:A解析:后项=前项×3-1,41×3-1=122。21.1,3,11,43,171,()A.683 B.681 C.679 D.677答案:A解析:后项=前项×4-1,171×4-1=683。22.1,2,4,7,11,()A.16 B.15 C.14 D.13答案:A解析:相邻差1,2,3,4,下一差5,11+5=16。23.1,4,9,16,25,36,()A.49 B.48 C.47 D.46答案:A解析:平方数列,7²=49。24.1,8,27,64,125,216,()A.343 B.342 C.341 D.340答案:A解析:立方数列,7³=343。25.1,2,3,4,5,6,()A.7 B.6 C.5 D.4答案:A解析:自然数列,下一项7。26.1,3,5,7,9,()A.11 B.10 C.9 D.8答案:A解析:奇数列,下一项11。27.2,4,6,8,10,()A.12 B.11 C.10 D.9答案:A解析:偶数列,下一项12。28.1,4,7,10,13,()A.16 B.15 C.14 D.13答案:A解析:公差3,13+3=16。29.1,5,9,13,17,()A.21 B.20 C.19 D.18答案:A解析:公差4,17+4=21。30.1,2,4,8,16,32,()A.64 B.60 C.56 D.48答案:A解析:公比2,32×2=64。31.1,3,9,27,81,()A.243 B.240 C.220 D.200答案:A解析:公比3,81×3=243。32.1,5,25,125,()A.625 B.600 C.500 D.400答案:A解析:公比5,125×5=625。33.1,2,3,5,7,11,()A.13 B.12 C.14 D.15答案:A解析:质数列,下一项13。34.1,4,16,64,()A.256 B.200 C.180 D.160答案:A解析:公比4,64×4=256。35.1,6,36,216,()A.1296 B.1200 C.1000 D.900答案:A解析:公比6,216×6=1296。36.1,2,4,5,10,11,22,()A.23 B.24 C.25 D.26答案:A解析:交替×2与+1,22+1=23。37.1,3,4,7,11,18,()A.29 B.28 C.27 D.26答案:A解析:斐波那契变种,11+18=29。38.1,2,3,6,11,20,()A.37 B.36 C.35 D.34答案:A解析:三项和,1+2+3=6,2+3+6=11,6+11+20=37。39.1,2,4,7,13,24,()A.44 B.43 C.42 D.41答案:A解析:三项和,1+2+4=7,2+4+7=13,7+13+24=44。40.1,2,3,5,9,17,()A.33 B.32 C.31 D.30答案:A解析:相邻差1,1,2,4,8,下一差16,17+16=33。41.1,2,4,8,15,26,()A.42 B.41 C.40 D.39答案:A解析:相邻差1,2,4,7,11,下一差16,26+16=42。42.1,2,5,12,27,58,()A.121 B.120 C.119 D.118答案:A解析:后项=前项×2+0,1,2,3,4,58×2+5=121。43.1,3,8,19,42,89,()A.184 B.183 C.182 D.181答案:A解析:后项=前项×2+1,2,3,4,5,89×2+6=184。44.1,4,11,26,57,120,()A.247 B.246 C.245 D.244答案:A解析:后项=前项×2+2,3,4,5,6,120×2+7=247。45.1,2,5,13,34,89,()A.233 B.232 C.231 D.230答案:A解析:斐波那契变种,89+144=233。46.1,3,6,10,15,21,()A.28 B.27 C.26 D.25答案:A解析:三角形数,21+7=28。47.1,4,10,20,35,56,()A.84 B.83 C.82 D.81答案:A解析:相邻差3,6,10,15,21,下一差28,56+28=84。48.1,5,14,30,55,91,()A.140 B.139 C.138 D.137答案:A解析:相邻差4,9,16,25,36,下一差49,91+49=140。49.1,2,4,7,11,16,()A.22 B.21 C.20 D.19答案:A解析:相邻差1,2,3,4,5,下一差6,16+6=22。50.1,3,7,13,21,31,()A.43 B.42 C.41 D.40答案:A解析:相邻差2,4,6,8,10,下一差12,31+12=43。51.1,2,3,5,8,13,21,()A.34 B.33 C.32 D.31答案:A解析:斐波那契,21+13=34。52.1,4,9,16,25,36,49,()A.64 B.63 C.62 D.61答案:A解析:平方数列,8²=64。53.1,8,27,64,125,216,343,()A.512 B.511 C.510 D.509答案:A解析:立方数列,8³=512。54.1,2,4,8,16,32,64,()A.128 B.120 C.100 D.90答案:A解析:公比2,64×2=128。55.1,3,9,27,81,243,()A.729 B.700 C.600 D.500答案:A解析:公比3,243×3=729。56.1,5,25,125,625,()A.3125 B.3000 C.2500 D.2000答案:A解析:公比5,625×5=3125。57.1,6,36,216,1296,()A.7776 B.7000 C.6000 D.5000答案:A解析:公比6,1296×6=7776。58.1,2,3,4,5,6,7,()A.8 B.7 C.6 D.5答案:A解析:自然数列,下一项8。59.1,3,5,7,9,11,()A.13 B.12 C.11 D.10答案:A解析:奇数列,下一项13。60.2,4,6,8,10,12,()A.14 B.13 C.12 D.11答案:A解析:偶数列,下一项14。61.1,4,7,10,13,16,()A.19 B.18 C.17 D.16答案:A解析:公差3,16+3=19。62.1,5,9,13,17,21,()A.25 B.24 C.23 D.22答案:A解析:公差4,21+4=25。63.1,2,4,5,10,11,22,23,()A.46 B.45 C.44 D.43答案:A解析:交替×2与+1,23×2=46。64.1,3,4,7,11,18,29,()A.47 B.46 C.45 D.44答案:A解析:斐波那契变种,18+29=47。65.1,2,3,6,11,20,37,()A.68 B.67 C.66 D.65答案:A解析:三项和,6+11+20+37=68。66.1,2,4,7,13,24,44,()A.81 B.80 C.79 D.78答案:A解析:三项和,7+13+24+44=81。67.1,2,5,13,34,89,233,()A.610 B.609 C.608 D.607答案:A解析:斐波那契变种,233+377=610。68.1,2,5,12,27,58,121,()A.250 B.249 C.248 D.247答案:A解析:后项=前项×2+0,1,2,3,4,5,121×2+8=250。69.1,3,8,19,42,89,184,()A.375 B.374 C.373 D.372答案:A解析:后项=前项×2+1,2,3,4,5,6,184×2+7=375。70.1,4,11,26,57,120,247,()A.502 B.501 C.500 D.499答案:A解析:后项=前项×2+2,3,4,5,6,7,247×2+8=502。71.1,2,3,5,9,17,33,()A.65 B.64 C.63 D.62答案:A解析:相邻差1,1,2,4,8,16,下一差32,33+32=65。72.1,2,4,5,10,11,22,23,46,()A.47 B.48 C.49 D.50答案:A解析:交替×2与+1,46+1=47。73.1,3,4,7,11,18,29,47,()A.76 B.75 C.74 D.73答案:A解析:斐波那契变种,29+47=76。74.1,2,3,6,11,20,37,68,()A.125 B.124 C.123 D.122答案:A解析:三项和,6+11+20+37+68=125。75.1,2,4,7,13,24,44,81,()A.149 B.148 C.147 D.146答案:A解析:三项和,7+13+24+44+81=149。76.1,2,5,13,34,89,233,610,()A.1597 B.1596 C.1595 D.1594答案:A解析:斐波那契变种,610+987=1597。77.1,2,5,12,27,58,121,250,()A.509 B.508 C.507 D.506答案:A解析:后项=前项×2+0,1,2,3,4,5,6,7,250×2+9=509。78.1,3,8,19,42,89,184,375,()A.760 B.759 C.758 D.757答案:A解析:后项=前项×2+1,2,3,4,5,6,7,8,375×2+10=760。79.1,4,11,26,57,120,247,502,()A.1013 B.1012 C.1011 D.1010答案:A解析:后项=前项×2+2,3,4,5,6,7,8,9,502×2+11=1013。80.1,2,3,5,9,17,33,65,()A.129 B.128 C.127 D.126答案:A解析:相邻差1,1,2,4,8,16,32,下一差64,65+64=129。81.1,2,4,5,10,11,22,23,46,47,()A.94 B.93 C.92 D.91答案:A解析:交替×2与+1,47×2=94。82.1,3,4,7,11,18,29,47,76,()A.123 B.122 C.121 D.120答案:A解析:斐波那契变种,47+76=123。83.1,2,3,6,11,20,37,68,125,()A.230 B.229 C.228 D.227答案:A解析:三项和,6+11+20+37+68+125=230。84.1,2,4,7,13,24,44,81,149,()A.274 B.273 C.272 D.271答案:A解析:三项和,7+13+24+44+81+149=274。85.1,2,5,13,34,89,233,610,1597,()A.4181 B.4180 C.4179 D.4178答案:A解析:斐波那契变种,1597+2584=4181。86.1,2,5,12,27,58,121,250,509,()A.1032 B.1031 C.1030 D.1029答案:A解析:后项=前项×2+0,1,2,3,4,5,6,7,8,9,509×2+14=1032。87.1,3,8,19,42,89,184,375,760,()A.1535 B.1534 C.1533 D.1532答案:A解析:后项=前项×2+1,2,3,4,5,6,7,8,9,10,760×2+15=1535。88.1,4,11,26,57,120,247,502,1013,()A.2036 B.2035 C.2034 D.2033答案:A解析:后项=前项×2+2,3,4,5,6,7,8,9,10,11,1013×2+18=2036。89.1,2,3,5,9,17,33,65,129,()A.257 B.256 C.255 D.254答案:A解析:相邻差1,1,2,4,8,16,32,64,下一差128,129+128=257。90.1,2,4,5,10,11,22,23,46,47,94,()A.95 B.96 C.97 D.98答案:A解析:交替×2与+1,94+1=95。91.1,3,4,7,11,18,29,47,76,123,()A.199 B.198 C.197 D.196答案:A解析:斐波那契变种,76+123=199。92.1,2,3,6,11,20,37,68,125,230,()A.423 B.422 C.421 D.420答案:A解析:三项和,11+20+37+68+125+230=423。93.1,2,4,7,13,24,44,81,149,274,()A.504 B.503 C.502 D.501答案:A解析:三项和,13+24+44+
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