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
   

   Answer & Explanation

   Answer – 1. 82.5
   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
   

   Answer & Explanation

   Answer – 2.784
   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
   

   Answer & Explanation

   Answer – 2.24
   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
   

   Answer & Explanation

   Answer – 1.119
   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
   

   Answer & Explanation

   Answer – 3.6
   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
   

   Answer & Explanation

   Answer – 4.25
   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
   

   Answer & Explanation

   Answer – 1.233
   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
   

   Answer & Explanation

   Answer – 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
   

   Answer & Explanation

   Answer – 1.4
   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
    

    Answer & Explanation

    Answer – 5.570
    Explanation :
    4 * 1 + 2 = 6
    6 * 2 – 4 = 8
    8 * 3 + 6 = 30
    30 * 4 – 8 = 112
    112 * 5 + 10 = 570