Quantitative Aptitude: Number Series Set 105

Directions(1-10): Find the missing term ‘?’ of the following series.

  1. 19,44,28,37,33,?
    30
    24
    20
    36
    34
    Option E
    +5^2,-4^2,+3^2,-2^2,+1^2
    ? = 34

     

  2. 12,12,18,36,?,270
    80
    87
    95
    90
    93
    Option D
    *1,*1.5,*2,*2.5,*3,*3.5
    ? = 90

     

  3. 56,?,89,122,166,221
    67
    60
    78
    72
    81
    Option A
    +(11*1), +(11*2), +(11*3), +(11*4), +(11*5)
    ? = 67

     

  4. 14,27,42,55,?,83
    65
    70
    62
    77
    82
    Option B
    +13,+15,+13,+15,+13
    ? = 70

     

  5. 96,85,72,55,36,?
    10
    17
    13
    15
    14
    Option C
    -11,-13,-17,-19,-23
    ? = 13

     

  6. 227,222,210,?,157,112
    178
    189
    180
    191
    170
    Option B
    -5*1,-6*2,-7*3,-8*4,-9*5
    ? = 189

     

  7. 12,22,43,75,?,172
    111
    108
    101
    118
    129
    Option D
    +10,+21,+32,+43,+54
    ? = 118

     

  8. 7,5,12,34,138,?
    688
    650
    600
    647
    662
    Option A
    *1-2, *2+2, *3-2, *4+2, *5-2
    ? = 688

     

  9. 7,15,?,55,87,127
    20
    27
    33
    37
    31
    Option E
    +4*2, +4*4, +4*6, +4*8, +4*10
    ? = 31

     

  10. 9,13,22,47,?,217
    90
    88
    81
    100
    96
    Option E
    +2^2,+3^2,+5^2,+7^2,+11^2
    ? = 96

     


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