Quantitative Aptitude: Number Series Set 24

Odd Man Out Number Series Quant IBPS PO, SBI PO, NIACL, NICL, LIC, Dena Bank PO PGDBF, BOI, Bank of Baroda and other competitive exams

1. 12, 8, 11, 26, 112, 878, 14055
   A) 8
   B) 11
   C) 26
   D) 112
   E) 878
   
   View Answer

   Option D
   Pattern:
   12×0.5 + 2 = 8
   8×1 + 3 = 11
   11×2 + 4 = 26
   26×4 + 5 = 109
   109×8 + 6 = 878
   878×16 + 7 = 14055
2. 12, 23, 40, 49, 67, 93, 135
   A) 23
   B) 40
   C) 49
   D) 67
   E) 93
   
   View Answer

   Option B
   Pattern:
   12*2 – 1 = 23,
   23*2 – 11 = 35,
   35*2 – 21 = 49,
   49*2 – 31 = 67,
   67*2 – 41 = 93,
   93*2 – 51 = 135
   
3. 2, 3, 4, 20, 152, 2434, 78304
   A) 3
   B) 4
   C) 20
   D) 152
   E) 2434
   
   View Answer

   Option E
   Pattern:
   2*1 + 1 = 3,
   3*2 – 2 = 4,
   4*4 + 4 = 20,
   20*8 – 8 = 152,
   152*16 + 16 = 2448
   152*32 – 32 = 78304
4. 9, 5, 9, 25, 91, 424, 2282.5
   A) 5
   B) 9
   C) 25
   D) 91
   E) 424
   
   View Answer

   Option E
   Pattern:
   9*0.5 + 0.5 = 5,
   5*1.5 + 1.5 = 9,
   9*2.5 + 2.5 = 25,
   25*3.5 + 3.5 = 91,
   91*4.5 + 4.5 = 414
   414*5.5 + 5.5 = 414
   
5. 3, 8, 16, 22.8, 35, 52, 75
   A) 8
   B) 16
   C) 22.8
   D) 35
   E) 52
   
   View Answer

   Option B
   Pattern:
   3…………8…………14.2…………..22.8…………..35………….52………..75
   ……+5 +6.2            +8.6…………….+12.2………+17…………23
   ………..+1.2           +2.4           +3.6                 +4.8         +6.0
6. 4, 3, 3, 9, 31, 129, 651
   A) 3
   B) 3
   C) 9
   D) 31
   E) 129
   
   View Answer

   Option A
   Pattern:
   4×0+ 1 = 1,
   1×1 + 2 = 3,
   3×2 + 3 = 9,
   9×3 + 4 = 31,
   31×4 + 5 = 129,
   129×5 + 6 = 651        
7. 3, 7, 19, 35, 74, 153, 312
   A) 7
   B) 19
   C) 35
   D) 74
   E) 153
   
   View Answer

   Option B
   Pattern:
   3×2 + 1 = 7,
   7×2 + 2 = 16,
   16×2 + 3 = 35,
   35×2 + 4 = 74,
   74×2 + 5 = 153
   153×2 + 6 = 312  
8. 4, 5, 13, 23, 59, 95, 193
   A) 5
   B) 13
   C) 23
   D) 59
   E) 95
   
   View Answer

   Option D
   Pattern:
   4*2 – 3 = 5,
   5*2 + 3 = 13,
   13*2 – 3 = 23,
   23*2 + 3 = 49,
   49*2 – 3 = 95,
   95*2 + 3 = 193
9. 3, 8, 11, 19, 27, 30, 39
   A) 8
   B) 11
   C) 19
   D) 27
   E) 30
   
   View Answer

   Option B
   Pattern:
   3…………8…………15…………..19…………..27………..30………..39
   ……+5 +7               +4………….+8………..…+3…………9
   ………..+2             -3              +4               -5              +6
10. 8, 6, 14, 64, 440, 3960, 39489
    A) 6
    B) 14
    C) 64
    D) 440
    E) 3960
    
    View Answer

    Option E
    Pattern:
    8*1 – 2 = 6,
    6*3 – 4 = 14,
    14*5 – 6 = 64,
    64*7 – 8 = 440,
    440*9 – 10 = 3950
    3950*10 – 11 = 39489

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