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Aptitude Questions – Number Series Set 64

Quantitative Aptitude

Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series based on latest pattern, which is common for SBI,IBPS, RBI,LIC, NICL and other  competitive exams.

  1. 5, 12, ?, 41, 87, 214
    1.19
    2.35
    3.22
    4.26
    5.None of these
    Answer – 3.22
    Explanation :
    5+7 = 12
    12+(7+3=10) =22
    22+(10+9=19) = 41
    41+(19+27=46) = 87
    87+(46+81=127) = 214

  2. 14, ?, 13, 17.5, 21.75
    1.10
    2.12
    3.12.5
    4.13.25
    5.None of these
    Answer – 2.12
    Explanation :
    14/2 + 5 = 12
    12/2 +7 = 13
    13/2 + 11= 17.5
    17.5/2+13 = 21.75

  3. 15, 5, 4.5, 5.8.7.9, ?
    1.9.6
    2.11.42
    3.12.23
    4.10.74
    5.None of these
    Answer – 4.10.74
    Explanation :
    15*0.2 +2 = 5
    5*0.3+3 = 4.5
    4.5*0.4+4 = 5.8
    5.8*0.5+5 =7.9
    7.9*0.6+6 = 10.74

  4. 107, 106, 52, 16.3 , ?
    1.3.075
    2.2.625
    3.1.916
    4.0.416
    5.None of these
    Answer – 1.3.075
    Explanation :
    107-1/1 = 106
    106-2/2 = 52
    52-3/3 = 16.3
    16.3-4/4 = 3.075

  5. 29, ?, 79, 131, 201
    1.61
    2.76
    3.37
    4.45
    5.None of these
    Answer – 4.45 Explanation :
    29+(18*1-2) = 29+16 = 45
    45+(18*2-2) = 45+34 = 79
    79+(18*3-2) = 79+52 = 131
    131+(18*4-2) = 131+70 = 201

  6. ?, 6, 10.5, 23, 60
    1.7
    2.5
    3.4
    4.6
    5.None of these
    Answer – 2.5
    Explanation :
    9*0.5+0.5 = 5
    5*1+1 = 6
    6*1.5+1.5 = 10.5
    10.5*2+2 = 23
    23*2.5+2.5 = 60

  7. 211, 90, 171, 122, 147, 138, ?
    1.152
    2.176
    3.139
    4.180
    5.None of these
    Answer – 3.139
    Explanation :
    211-11^2 = 90
    90+9^2 = 171
    171-7^2 = 122
    122+5^2 = 147
    147-3^2 = 138
    138+1^2= 139

  8. 1256, 318, ?, 163, 328, 86
    1.338
    2.836
    3.368
    4.638
    5.None of these
    Answer – 4.638
    Explanation :
    1256/4 =314+4 = 318
    318*2 = 636+2 = 638
    638/4 = 159+4 = 163
    163*2 =326+2 = 328
    328/4 = 82+4 = 86

  9. 37, 54, 88, ?, 207
    1.139
    2.213
    3.193
    4.391
    5.None of these
    Answer – 1.139
    Explanation :
    37+17 = 54
    54+2*17 = 88
    88+3*17 =139
    139+4*17 = 207

  10. 13, 29, 48, 70, 95, ?
    1.132
    2.121
    3.113
    4.123
    5.None of these
    Answer – 4.123
    Explanation :
    13+(9+7) = 29
    29+(9+10) = 48
    48+(9+13) =70
    70+(9+16) = 95
    95+(9+19) = 123





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