Quantitative Aptitude: Number Series Set 119

Directions (1-5): The following series follow some particular pattern. Following that pattern find the number which will come in place of ‘?’.

  1. 22… 37… 63… 98… 148… ?
    271
    211
    198
    209
    189
    Option B
    – 22 + (4^2-1) ,5^2+1……

     

  2. 23… 48… 100… 206… ?
    380
    376
    420
    456
    None of these
    Option C
    2+2,*2+4…

     

  3. 9…5… 6… 10.5… 23… ?
    76
    53
    45
    68
    60
    Option E
    *0.5+0.5,*1+1………

     

  4. 8…4… 4… 6… ?… 30
    12
    15
    22
    28
    16
    Option A
    * 0.5 ,*1,*1.5……..

     

  5. 5…9… 19… 37… 75… ?… 299
    128
    149
    259
    276
    188
    Option B
    *2-1,*2+1….

     

  6. Directions (6-10): Find the wrong term in the following series each of which follows some particular pattern:

  7. 1333…, 1731…, 2201…, 2749…, 3378

    1333
    1731
    2201
    2749
    3378
    Option E
    11³ + 2 = 1333

    12³ + 3 = 1731

    13³ + 4 = 2201

    14³ + 5 = 2749

    15³ + 6 = 3381

     

  8. 16…, 40…, 72…, 106…, 148…, 196

    16
    40
    72
    106
    148
    Option C
    16 + 24 = 40

    40 + 30 = 70

    70 + 36 = 106

    106 + 42 = 148

    148 + 48 = 196

     

  9. 7….8…, 18…., 57…, 232…, 1160

    1160
    232
    57
    18
    8
    Option A
    7 * 1 + 1 = 8

    8 * 2 + 2 = 18

    18 * 3 + 3 = 57

    57 * 4 + 4 = 232

    232 * 5 + 5 = 1165

     

  10. 71…, 80…, 96…, 121…, 159…, 206

    71
    80
    96
    121
    159
    Option E
    71 + 3² = 80

    80 + 4² = 96

    96 + 5² = 121

    121 + 6² = 157

    157 + 7² = 206

     

  11. 321…, 316…, 324…, 309…, 329…, 306

    321
    316
    324
    309
    329
    Option D
    321 – 5 = 316

    316 + 8 = 324

    324 – 12 = 312

    312 + 17 = 329

    329 – 23 = 306

     

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