 Aptitude Questions – Number Series Set 59

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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. 6, 7, 12, 26, ?, 205.5
1. 57.5
2. 47.5
3. 67.5
4. 37.5
5. 27.5
Explanation :
6 * 1 + 1 = 7
7 * 1.5 + 1.5= 12
12 * 2 + 2 = 26
26 * 2.5 + 2.5 = 67.5
67.5 * 3 + 3 = 205.5

2. 10 5 5 10 40 ?
1.350
2.320
3.290
4.230
5.240
Explanation :
10 * 0.5 = 5
5 * 1 = 5
5 * 2 = 10
10 * 4 = 40
40 * 8 = 320

3. 2, 4, 14, ?, 90, 172
1.30
2.20
3.50
4.40
5.60
Explanation :
2 + 1² + 1 = 4
4 + 3² + 1= 14
14 + 5² + 1= 40

4. 2, 4, 10, 26, ?, 229
1.73
2.82
3.64
4.71
5.80
Explanation :
2 * 1 + 2 = 4
4* 1.5 + 4 = 10
10 * 2 + 6 = 26
26 * 2.5 + 8 = 73
73 * 3 + 10 = 229

5. 4, ?, 26, 63, 128, 229
1.9
2.5
3.6
4.7
5.2
Explanation :
4 + 2² + 1= 9
9 + 4² + 1= 26
26 + 6² + 1= 63……..

6. 6, 5, 8, ?, 90, 449
1.23
2.26
3.38
4.24
5.14
Explanation :
6*1 – 1 = 5
5*2 – 2 = 8
8*3 – 1 = 23

7. 3, 2, 14, 35, 107, ?
1.232
2.218
3.222
4.225
5.242
Explanation :
3 + 1³ – 2 = 2
2 + 2³ + 4 = 14
14 + 3³ – 6 = 35
35 + 4³ + 8 = 107

8. 2, 5, 18, 49, 154, ?
1.475
2.470
3.465
4.453
5.455
Explanation :
2 * 3 – 1 = 5
5 * 3 + 3 = 18
18 * 3 – 5 = 49
49 * 3 + 7 = 154
154 * 3 – 9 = 453

9. 4, ?, 16, 26, 60, 110
1.6
2.5
3.7
4.8
5.9
Explanation :
4*2 – 2 = 6
6*2 + 4 = 16
16*2 – 6 = 26

10. 6, 8, 12, 42, 160, ?
1.870
2.840
3.850
4.810
5.820
Explanation :
6 * 1 + 2 = 8
8 * 2 – 4 = 12
12 * 3 + 6 = 42
42 * 4 – 8 = 160
160 * 5 + 10 = 810

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