经典数字推理题库120题(专项练习答案解析)
-
数字推理
120
题答案解析
(1). 5
,
6
,
8
,
10
,
14
,
()
A. 12 B. 14 C
16 D 18
5
=
2
+
3
6
=
p>
3
+
3
8
=
5
p>
+
3
10
=
7
+
3
14
=
11
+
3
16
=<
/p>
13
+
3
(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,( )
77+23=100=10^2
63+18=81=9^2
23+41=64=8^2
18+31=49=7^2
41+(-5)=36=6^2
(4) 1,7,19,37,( )
7
p>
-
1
=
6
19
-
7<
/p>
=
12
37
-
19
=
18
61
-
37
=
24
等差数列。
或者是
1^2-0=1
3^2-2=7
5^2-6=19
7^2-12=37
9^2-20=61
0,2,6,12,20
差为
2
p>
,
4
,
6
,
8
(5)
2,6,10,18,32,( )
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
,
(
)
p>
2
×
2
-
1
=
3
2
×
3
-
1
=
5
< br>3
×
5
-
1
=
14
5
×
14
-
1
=
69
A. -5, B.6 C.12
D.18
A. 57 B.61 C.66 D.80
A
57, B. 58 C.61 D.63
A. 50 B. 55 C.63 D.69
1
(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=(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
6^3+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+
2
×
2
=
< br>7
4
开
2
次方+
3
×
2
=
8
49
开
2
次方+
12
×
2
=
31
0
开
2
次方+
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
56
-
31
=
25
(11) 2
,
12
< br>,
23
,
52
< br>,
()
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=1^3-1
9-3=6=2^3-2
33-9=24=3^3-3
93-33=60=4^3-4
213-93=120=5^3-5
(14) (7,28,4)
,
(3<
/p>
,
16
,
16)
,
(
10
,<
/p>
20
,
10
)<
/p>
,
(
21
,?,
9
)
A
108 B 63 C 41 D 27
(7×
4)/1=28
2
(3×
16)/3=16
(10×
10)/5=20
(21×
9)/7=27
(15) 4
,
11
< br>,
17
,
20
< br>,
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
6
=
2
×
< br>3
9
=
3
×
3
15
=
5
×
3
21
=
7
×
3
3
3
=
11
×
3
39
=
13
×
3
(17) 2,3,9,36,360,( )
(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)
14/2+3*2=13
22/2+7*2=25
36/2+23*2=64
(19) 5,32,81,128,125,( )
5=5×
1^3
32=4×
2^3
81=3×
3^3
128=2×
4^3
125=1×
5^3
0=0×
6^3
(20) 0,7,8,63,24,( )
1^2-1=0
2^3-1=7
3*2-1=8
4*3-1=63
5^2-1=24
6^3-1=215
(21). 2,6,12,22,36,( )
6-2=2*2
12-6=2*3
22-12=2*5
36-22=2*7
A.13320 B.13322 C.12320 D12322
A.56 B.64 C.67 D.72
A. 0 B.216 C.144 D.189
A. 0 B.255 C.215 D.323
A.48 B.58 C.64 D.68
3
58-36=2*11
(22). 4,8,32,128,( )
A.
256 B.512 C 1024 D.2048
2^2=4
2^3=8
2^5=32
2^7=128
2^11=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=250
(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
24
-
11
=
13
35
-
24
=
11
42
-
35
=
7
47
-
42
=
5
50
-
47
=
3
(27) 13,7,8,17,43,( )
A. 67 B.112 C.84 D.126
7
×
3
-
13
=
8
8
×
3
-
< br>7
=
17
< br>17
×
3
-
8
=
43
43
×
3
-
17
=
112
(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
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
23
-
11
=
12
选
A
(29)
(12,7,9),(46,55,1),(12,86,8),(23,13,?)
A.4 B.6 C.8
D.10
2
+
7
=
9
6
+
5
=
1
1
2
+
6
=
8
3<
/p>
+
3
=
6
(30) 2,6,30,60,130, ( )
A.180 B.200 C.210 D.240
1^3+1=2
2^3-2=6
3^3+3=30
4^3-4=60
5^3+5=130
6^3-6=210
(31) 3
,
4
,
21
,
75
,
288
,
()
A
900 B 1089 C 1098 D 1200
(
3
+
p>
4
)×
3
=
21
(
4
+
21
)×
3
=
75
(
21
+
75
)×
p>
3
=
288
<
/p>
(
75
+
288
)×
3
=
10
89
(32) 7
,
5
,
2
< br>,
3
,-
1
,
()
A
.
0 B.2 C 4 D
-
4
A<
/p>
-
C
=
B
7
-
2
p>
=
5
5
-
3
=
2
2
-(-
1
)=
3
3
-
4
=-
1
(33)
(
2
,
3
,
13
)
,
(<
/p>
3
,
2
,
15
)
,
(
4
,
5
,?)
A
.
19 B.31 C 40 D
24
2^2+3*3=13
3^2+2*3=15
4^2+5*3=31
(34) 0
,
1
,
2
,
9
,
44
,
(
)
A
.
121 B.196 C.265
D 300
5
1
=
0
×
2
+
1
2
=
1
×
3
-
1
9<
/p>
=
2
×
4
+
1
44
=
9
×
5
-
1
265
=
44
×
6
+
1
(35) 5
,
2
,
1
,
2
,
5
,
()
A
.
2 B.5 C.8 D.10
2
-
5
p>
=-
3
1
p>
-
2
=-
1
2
-
1
p>
=
1
5
-
2
=
3
10
-
5<
/p>
=
5
或者隔项减
1
-
5
=-
4
2
-
2
=
0
5<
/p>
-
1
=
4
10
-
2<
/p>
=
8
p>
(36)
、
1
,<
/p>
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.192
-
2
×
3^0=
-
2
-
1
×
3^1=
-
3
0×
3^2=0
1×
3^3=27
2×
3^4=162
(38)
、
0
,
0
,
1<
/p>
,
5
,
23
p>
,
(
)
A.46 B.97 C.108
D.119
0
!-
1
=
0
< br>1
!-
1
=
0
2
!-
1
=
1
3
!-
1
=
5
4
!-
1
=
23
5
!-
1
=
1
19
!表示阶乘
(39) 59
< br>,
33
,
18
< br>,
8
,
5
,
()
A.0 B.1 C.2
D.3
6
59-33=26=5^2+1
33-18=15=4^2-1
18-8=10=3^2+1
8-5=3=2^2-1
5-3=2=1^2+1
(40)
、
2
,
p>
5
,
11
,
41
,
911
,
p>
(
)
A.756941 B.640011 C.630011
D.670031
(5-2)^2+2=11
(11-5)^2+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
5
=
2
< br>×
3
-
1
14
=
3<
/p>
×
5
-
1
34
=
5<
/p>
×
7
-
1
76
=
7<
/p>
×
11
-
1
?=
11
×
13
-
1
=<
/p>
142
(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) 15,9,3,3,0,( ) 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=1^3
1+0+7=8=2^3
0+7+20=27=3^3
7+20+37=64=4^3
7
(46) -1/2, 1/3, 4/5, 9/7, 16/9, ( )
A. 25/13 B.23/13 C.24/11
D.19/11
-
1
+
2
=
1
1
+
3
p>
=
4
4
+
5
=
9
9
+
7
p>
=
16
16<
/p>
+
9
=
25
23
+
13
=
36
选
B
(47) 1, 2, 2, 5, 9, 16, ( )
A.22 B.26 C.30 D.34
1
+
2
+
2
=
5
2
+
2
+
5
=
9
2<
/p>
+
5
+
9
=
16
5
+
9
+
16
=
30
(48) 2, 0, 0, 4, 6, ( )
A.3 B.6 C.12 D.24
-2×
(-1)^5=2
-1×
0^4=0
0×
1^3=0
1×
2^2=4
2×
3^1=6
3×
4^0=3
(49) (6, 4, 15)
, (7,2,21), (3,2,1), (5,3,? )
A.10, B.
15 C.18 D. 12
6*4-9=15
7*2+7=21
3*2-5=1
5*3+3=18
(50) 2, 1, 5,
6, 31, ( )
A. 45 B.67 C.72
D.78
2^2+1=5
1^2+5=6
5^2+6=31
6^2+31=67
(51) 7, 28, 124, 344, ( )
A.990 B.1330 C.1432 D.1691
8