Quantitative Aptitude: Number Series Set 113

  1. 144, 173, 140, 169, 136, ?
    150
    160
    178
    165
    190
    Option D
    144 + 29 = 173
    173 – 33 = 140
    140 + 29 = 169
    169 – 33 = 136
    136 + 29 = 165

     

  2. 14, 24, 43, 71, 108, ?
    160
    174
    154
    145
    130
    Option C
    14 + 10 = 24
    24 + 19 (=10 + 9) = 43
    43 + 28 (= 19 + 9) = 71
    71 + 37 (= 28 + 9) = 108
    108 + 46 (=37 + 9) = 154

     

  3. 25, 48, 94, 186, 370, ?
    700
    738
    715
    725
    740
    Option B
    25 × 2 – 2 = 50 – 2 = 48
    48 × 2 – 2 = 96 – 2 = 94
    94 × 2 – 2 = 188 – 2 = 186
    186 × 2 – 2 = 372 – 2 = 370
    370 × 2 – 2 = 740 – 2 = 738

     

  4. 11, 10, 18, 51, 200, ?
    900
    995
    845
    974
    920
    Option B
    11 × 1 – 1 = 10
    10 × 2 – 2 = 18
    18 × 3 – 3 = 51
    51 × 4 – 4 = 200
    200 × 5 – 5 = 995

     

  5. 958, 833, 733, 658, 608, ?
    500
    450
    583
    620
    550
    Option C
    958 – 833 = 125
    833 – 733 = 100
    733 – 658 = 75
    658 – 608 = 50
    ? = 608 – 25 = 583

     

  6. 112, 119, 140, 175, 224, ?
    220
    215
    287
    230
    240
    Option C
    112 + 1 × 7 = 119
    119 + 3 × 7 = 119 + 21 = 140
    140 + 5 × 7 = 140 + 35 = 175
    175 + 7 × 7 = 175 + 49 = 224
    224 + 9 × 7 = 224 + 63 = 287

     

  7. 3, 100, 297, 594, 991, ?
    1520
    1362
    1488
    1122
    1200
    Option C
    3 + 97 = 100
    100 + 197 = 297
    297 + 297 = 594
    594 + 397 = 991
    991 + 497 = 1488

     

  8. 12, 35, 81, 173, 357, ?
    725
    700
    770
    720
    745
    Option A
    12 + 1 × 23 = 35
    35 + 2 × 23 = 35 + 46 = 81
    81 + 2 × 46 = 81 + 92 = 173
    173 + 2 × 92 = 173 + 184 = 357
    357 + 2 × 184 = 357 + 368 = 725

     

  9. 13, 20, 39, 78, 145, ?
    200
    212
    248
    230
    220
    Option C
    13 + 7 = 20
    20 + 19 (= 7 + 12) = 39
    39 + 39 (=19 + 20) = 78
    78 + 67 (= 39 + 28) = 145
    145 + 103 (= 67 + 36) = 248

     

  10. 1, 7, 49, 343, ?
    2301
    2200
    2401
    2313
    2512
    Option C
    1 × 7 = 7
    7 × 7 = 49
    49 × 7 = 343
    343 × 7 = 2401

     

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