 Aptitude Questions – Number Series Set 65

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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. 8, 9, 15, 32, ?, 250.5
1. 82.5
2. 47.5
3. 62.5
4. 37.5
5. 64.5
Explanation :
8 * 1 + 1 = 9
9 * 1.5 + 1.5= 15
15 * 2 + 2 = 32
32 * 2.5 + 2.5 = 82.5
82.5 * 3 + 3 = 250.5

2. 12 7 9 22 96 ?
1.754
2.784
3.794
4.734
5.744
Explanation :
12 * 0.5 + 1 = 7
7 * 1 + 2 = 9
9 * 2 + 4 = 22
22 * 4 + 8 = 96
96 * 8 + 16 = 784

3. 2, 4, 7, ?, 87, 344
1.38
2.24
3.56
4.44
5.62
Explanation :
2 + 1² + 1 = 4
4 + 2² – 1 = 7
7 + 4² + 1 = 24
24 + 8² – 1 = 87
87 + 16² + 1 = 344

4. 6, 4, 10, 14, 43, ?
1.119
2.127
3.114
4.141
5.132
Explanation :
6 * 1 – 2 = 4
4 * 1.5 + 4 = 10
10 * 2 – 6 = 14
14 * 2.5 + 8 = 43
43 * 3 – 10 = 119

5. 4, ?, 14, 40, 88, 170
1.9
2.5
3.6
4.7
5.2
Explanation :
4 + 1² + 1 = 6
6 + 3² – 1 = 14
14 + 5² + 1 = 40
40 + 7² – 1 = 88
88 + 9² + 1 = 170

6. 6, 6, 7, ?, 91, 463
1.33
2.43
3.38
4.25
5.44
Explanation :
6*1 – 1 + 1 = 6
6*2 – 2 – 3 = 7
7*3 – 1 + 5 = 25
25*4 – 2 – 7 = 91
91*5 – 1 + 9 = 463

7. 2, 5, 9, 42, 98, ?
1.233
2.218
3.221
4.225
5.242
Explanation :
2 + 1³ + 2 = 5
5 + 2³ – 4 = 9
9 + 3³ + 6 = 42
42 + 4³ – 8 = 98
98 + 5³ + 10 = 233

8. 3, 11, 47, 183, ?, 2947
1.775
2.770
3.765
4.783
5.739
Explanation :
3 * 4 – 1 = 11
11 * 4 + 3 = 47
47 * 4 – 5 = 183
183 * 4 + 7 = 739
739 * 4 – 9 = 2947

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*2 + 8 = 28
28*2 – 10 = 46

10. 4, 6, 8, 30, 112, ?
1.540
2.580
3.550
4.590
5.570
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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