Aptitude Questions: Number Series Set 45

Hello Aspirants. Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series, which is common for all the competitive exams. We have included Some questions that are repeatedly asked in bank exams !!!

Directions(1-10) : In these questions, a number series is given. Find out the missing number.

1. 13, 7, 6, 14, 52, ?
   A. 482
   B. 476
   C. 466
   D. 424
   E. 460
   

   Answer & Explanation

   Answer – D. 424
   Explanation :
   13 * 0.5 + 0.5 = 7
   7 * 1 – 1 = 6
   6 * 2 + 2 = 14
   
   
2. 139, 142, 133, 160, 79,?
   A. 326
   B. 322
   C. 331
   D. 340
   E. 355
   

   Answer & Explanation

   Answer – B. 322
   Explanation :
   139 + 3 = 142
   142 – 9 = 133
   133 + 27 = 160….
   
   
3. 10, 16, 27, 48, 84, ?
   A. 138
   B. 153
   C. 166
   D. 140
   E. 135
   

   Answer & Explanation

   Answer – D. 140
   Explanation :
   16 – 10 = 6
   27 – 16 = 11
   48 – 27 = 21; 11 – 6 = 5, 21 – 11 = 10….
   
   
4. 66, 77, 63, 73, 60, ?
   A. 66
   B. 69
   C. 61
   D. 64
   E. 63
   

   Answer & Explanation

   Answer – B. 69
   Explanation :
   66 – 63 = 3
   77 – 73 = 4
   63 – 60 = 3….
   
   
5. 16, 9, 8, 13, 25, ?
   A. 64.5
   B. 59.5
   C. 63.5
   D. 68.5
   E. 61.5
   

   Answer & Explanation

   Answer – C. 63.5
   Explanation :
   16 * 0.5 + 1 = 9
   9 * 1 – 1 = 8
   8 * 1.5 + 1 = 13
   
   
6. 11, 12, 22, 69, 272 ?
   A. 1365
   B. 1368
   C. 1324
   D. 1325
   E. 1329
   

   Answer & Explanation

   Answer – A. 1365
   Explanation :
   11 * 1 + 1 = 12
   12 * 2 – 2 = 22
   22 * 3 + 3 = 69
   
   
7. 11, 13, 16, 33, 96, ?
   A. 358
   B. 354
   C. 386
   D. 366
   E. 353
   

   Answer & Explanation

   Answer – E. 353
   Explanation :
   11 + 1² + 1= 13
   13 + 2² – 1= 16
   16 + 4² + 1= 33……..
   
   
8. 4, 21, 120, 595, 2376 ? 
   A. 7125
   B. 7035
   C. 7085
   D. 7055
   E. 7115
   

   Answer & Explanation

   Answer – A. 7125
   Explanation :
   4*7 -7 = 21
   21*6 -6 = 120
   120*5 -5 = 595.
   
   
9. 64, 66, 75, 103, 168, ?
   A. 282
   B. 294
   C. 286
   D. 295
   E. 288
   

   Answer & Explanation

   Answer – B. 294
   Explanation :
   64 + (1³ + 1) = 66
   66 + (2³ + 1) = 75
   75 + (3³ + 1) = 103
   
   
10. 13, 25, 39, 57, 83, ?
    A. 122
    B. 124
    C. 126
    D. 120
    E. 125
    

    Answer & Explanation

    Answer – E. 125
    Explanation :
    13*2 – 1 = 25
    25*2 – 11 = 39
    39*2 – 21 = 57