# Quantitative Aptitude: Number Series Set 146

1. 6 , 8 , 12 , 42 , 160 , ?
820
810
840
850
None of these
Option B
6*1+2=8
8*2-4=12
12*3+6=42

2. 6 , 5 , 8 , ? , 90 , 449
25
30
32
23
None of these
Option D
6*1-1=5
5*2-2=8

3. 3 , 4 , 9 , 23 , ? , 202.5
60
64.5
67.5
65
None of these
Option B
3*1+1=4
4*1.5+3=9
9*2+5=23

4. 3 , 3 , 13 , 37 , 105 , ?
225
275
255
245
250
Option A
3+1^3 – 1= 3
3+2^3 +2 =13
13+3^3 – 3 =37

5. 37 , 38 , 58 , ? , 293.5
120
117
115
125
None of these
Option B
37*1+1=38
38*3/2+1=58

6. 8 , 9 , 11 , 19 , 67 , ?
451
455
460
350
355
Option A
8*1+1=9
9+(1*2)=11
11+(2*4)=19
19+(8*6)=67

7. 1650 , ? , 50 , 9.5 , 1.17 , -0.415
250
270
260
245
None of these
Option B

8. 3 , 14 , 39 , 103 , 270 , ?
707
750
450
705
None of these
Option A
3+11=14
14+(11+14)=39
39+(25+39)=103

9. 14 , 18 , ? , 458 , 4458
62
50
56
55
58
Option E

10. 15 , 80 , 255 , ? , 1295
630
624
520
555
585
Option B
2^4=16-1=15
3^4=81-1=80

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