Quantitative Aptitude: Number Series Set 95


Directions(1-5):
Find the missing term ‘?’ of the following series.

  1. 11,16,32,59,75,?
    68
    70
    61
    76
    84
    Option D
    +5^1,+4^2,+3^3,+2^4,+1^5
    ?= 76

     

  2. 21,120,208,?,351,406
    220
    285
    250
    233
    212
    Option B
    +99,+88,+77,+66,+55
    ? = 285

     

  3. 41,50,75,124,245,?
    401
    395
    414
    330
    440
    Option C
    +3^2
    +5^2
    +7^2
    +11^2
    +13^2
    ?= 414

     

  4. 25,-24,49,-48,?,-80
    72
    70
    81
    66
    63
    Option C
    +4*5
    -5*6
    +6*7
    -7*8
    +8*9
    -9*10
    ? = 81

     

  5. 126,112,93,68,?,-4
    30
    22
    25
    36
    28
    Option D
    -14,-19,-25,-32,-40
    ? = 36

     

  6. 8,27,57,?,158,233
    90
    84
    112
    100
    80
    Option D
    +19,+30,+43,+58,+75
    ? = 100

     

  7. 10,22,?,118,202,310
    60
    44
    49
    58
    50
    Option D
    +12*1
    +12*3
    +12*5
    +12*7
    +12*9
    ? = 58

     

  8. 4,29,78,199,368,?
    600
    666
    596
    657
    616
    Option D
    +5^2,+7^2,+11^2,+13^2,+17^2
    ? = 657

     

  9. 240,?,198,170,140,110
    220
    222
    230
    200
    215
    Option B
    -2*9
    -3*8
    -4*7
    -5*6
    -6*5
    ? = 222

     

  10. 1,8,-3,24,-15,?
    25
    37
    48
    40
    32
    Option C
    -1^2
    +2^2
    -3^2
    +4^2
    -5^2
    +6^2
    ? = 48

     


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