 Aptitude Questions – Number Series Set 62

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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. 2, 3, 6, 14, ?, 115.5
1. 52.5
2. 47.5
3. 67.5
4. 37.5
5. 27.5
Explanation :
2 * 1 + 1 = 3
3 * 1.5 + 1.5= 6
6 * 2 + 2 = 14
14 * 2.5 + 2.5 = 37.5
37.5 * 3 + 3 = 115.5

2. 12 13 28 85 ? 1711
1.354
2.342
3.294
4.234
5.244
Explanation :
12*1 – 1 + 2 = 13
13*2 – 2 + 4 = 28
28*3 – 1 + 2 = 85
85*4 – 2 + 4 = 342
342*5 – 1 + 2 = 1711

3. 3, 5, 10, ?, 92, 349
1.38
2.27
3.56
4.44
5.62
Explanation :
3 + 1² + 1 = 5
5 + 2² + 1 = 10
10 + 4² + 1 = 27

4. 5, 8, 15, 37, ?, 309.5
1.99.5
2.97.5
3.94.5
4.98.5
5.96.5
Explanation :
5 * 1 + 2 + 1 = 8
8 * 1.5 + 4 – 1 = 15
15 * 2 + 6 + 1 = 37
37 * 2.5 + 8 – 1 = 99.5
99.5 * 3 + 10 + 1 = 309.5

5. 3, ?, 13, 39, 87, 169
1.9
2.5
3.6
4.7
5.2
Explanation :
3 + 1² + 1= 5
5 + 3² – 1= 13
13 + 5² + 1= 39……..

6. 6, 7, 16, ?, 218, 1099
1.33
2.53
3.38
4.24
5.44
Explanation :
6*1 – 1 + 2 = 7
7*2 – 2 + 4 = 16
16*3 – 1 + 6 = 53

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. 1, 3, 15, 55, ?, 899
1.275
2.227
3.265
4.283
5.255
Explanation :
1 * 4 – 1 = 3
3 * 4 + 3 = 15
15 * 4 – 5 = 55
55 * 4 + 7 = 227
227 * 4 – 9 = 899

9. 2, ?, 8, 10, 28, 46
1.2
2.5
3.7
4.8
5.9
Explanation :
2*2 – 2 = 2
2*2 + 4 = 8
8*2 – 6 = 10

10. 4, 6, 6, 8, 112, ?
1.540
2.580
3.550
4.570
5.520
Explanation :
4 * 1 + 2 = 6
6 * 2 – 4 = 8
8 * 3 + 6 = 30
30 * 4 – 8 = 112
112 * 5 + 10 = 570

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