# Aptitude Questions – Number Series Set 64

Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series based on latest pattern, which is common for SBI,IBPS, RBI,LIC, NICL and other  competitive exams.

1. 5, 12, ?, 41, 87, 214
1.19
2.35
3.22
4.26
5.None of these
Explanation :
5+7 = 12
12+(7+3=10) =22
22+(10+9=19) = 41
41+(19+27=46) = 87
87+(46+81=127) = 214

2. 14, ?, 13, 17.5, 21.75
1.10
2.12
3.12.5
4.13.25
5.None of these
Explanation :
14/2 + 5 = 12
12/2 +7 = 13
13/2 + 11= 17.5
17.5/2+13 = 21.75

3. 15, 5, 4.5, 5.8.7.9, ?
1.9.6
2.11.42
3.12.23
4.10.74
5.None of these
Explanation :
15*0.2 +2 = 5
5*0.3+3 = 4.5
4.5*0.4+4 = 5.8
5.8*0.5+5 =7.9
7.9*0.6+6 = 10.74

4. 107, 106, 52, 16.3 , ?
1.3.075
2.2.625
3.1.916
4.0.416
5.None of these
Explanation :
107-1/1 = 106
106-2/2 = 52
52-3/3 = 16.3
16.3-4/4 = 3.075

5. 29, ?, 79, 131, 201
1.61
2.76
3.37
4.45
5.None of these
29+(18*1-2) = 29+16 = 45
45+(18*2-2) = 45+34 = 79
79+(18*3-2) = 79+52 = 131
131+(18*4-2) = 131+70 = 201

6. ?, 6, 10.5, 23, 60
1.7
2.5
3.4
4.6
5.None of these
Explanation :
9*0.5+0.5 = 5
5*1+1 = 6
6*1.5+1.5 = 10.5
10.5*2+2 = 23
23*2.5+2.5 = 60

7. 211, 90, 171, 122, 147, 138, ?
1.152
2.176
3.139
4.180
5.None of these
Explanation :
211-11^2 = 90
90+9^2 = 171
171-7^2 = 122
122+5^2 = 147
147-3^2 = 138
138+1^2= 139

8. 1256, 318, ?, 163, 328, 86
1.338
2.836
3.368
4.638
5.None of these
Explanation :
1256/4 =314+4 = 318
318*2 = 636+2 = 638
638/4 = 159+4 = 163
163*2 =326+2 = 328
328/4 = 82+4 = 86

9. 37, 54, 88, ?, 207
1.139
2.213
3.193
4.391
5.None of these
Explanation :
37+17 = 54
54+2*17 = 88
88+3*17 =139
139+4*17 = 207

10. 13, 29, 48, 70, 95, ?
1.132
2.121
3.113
4.123
5.None of these