Quantitative Aptitude: Number Series Set 83

Directions(1-10): Find the wrong number of the following number series.

  1. 17,18,37,112,451,2246
    2246
    451
    18
    112
    17
    Option B
    17,18,37,112,451,2246
    *1+1
    *2+1
    *3+1
    *4+1
    *5+1
    451 == 449

     

  2. 68,75,87,117,173,285
    75
    68
    117
    87
    285
    Option D
    68,75,87,117,173,285
    +7
    +14
    +28
    +56
    +112
    87 == 89

     

  3. 35,37,40,44,52,63
    63
    52
    37
    40
    44
    Option E
    35,37,40,44,52,63
    +2
    +3
    +5
    +7
    +11
    44 == 45

     

  4. 14,29,74,151,254,389
    29
    151
    389
    74
    254
    Option B
    14,29,74,151,254,389
    +15*1
    +15*3
    +15*5
    +15*7
    +15*9
    151 == 149

     

  5. 7,35,32,160,157,780
    35
    7
    157
    32
    780
    Option
    7,35,32,160,157,780
    *5
    -3
    *5
    -3
    *5
    780 == 785

     

  6. 4320,720,72,36,12,6
    72
    36
    720
    4320
    12
    Option A
    4320,720,72,36,12,6
    /6
    /5
    /4
    /3
    /2
    72 == 144

     

  7. 52,45,64,31,80,17
    80
    45
    52
    31
    66
    Option E
    52,45,64,31,80,17
    -7*1
    +7*3
    -7*5
    +7*7
    -7*9
    64 == 66

     

  8. 13,17,25,43,69,113
    13
    43
    113
    17
    25
    Option
    13,17,25,43,69,113
    +4*1
    +4*2
    +4*4
    +4*7
    +4*11
    43 == 41

     

  9. 21,39,73,137,237,381
    237
    73
    381
    39
    21
    Option D
    21,39,73,137,237,381
    +4^2
    +6^2
    +8^2
    +10^2
    +12^2
    39 == 37

     

  10. 59,84,121,169,233,314
    59
    84
    121
    233
    314
    Option C
    59,84,121,169,233,314
    +5^2
    +6^2
    +7^2
    +8^2
    +9^2
    121 == 120

     


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