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
   

   Answer & Explanation

   Answer – 4. 37.5
   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
   

   Answer & Explanation

   Answer – 2.342
   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
   

   Answer & Explanation

   Answer – 2.27
   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
   

   Answer & Explanation

   Answer – 1.99.5
   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
   

   Answer & Explanation

   Answer – 2.5
   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
   

   Answer & Explanation

   Answer – 2.53
   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
   

   Answer & Explanation

   Answer – 3.222
   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
   

   Answer & Explanation

   Answer – 2.227
   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
   

   Answer & Explanation

   Answer – 1.2
   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
    

    Answer & Explanation

    Answer – 4.570
    Explanation :
    4 * 1 + 2 = 6
    6 * 2 – 4 = 8
    8 * 3 + 6 = 30
    30 * 4 – 8 = 112
    112 * 5 + 10 = 570