Aptitude Questions: Number Series Set 33

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Welcome to Online Quantitative Aptitude Section in AffairsCloud.com. Here we are creating question sample in Number Series, which is common for all the competitive exams. We have included Some questions that are repeatedly asked in bank exams !!!

1. 872,872, 888, 824,  ?, 692
   1.712
   2.846
   3.723
   4.692
   5.None of these
   
   Answer & Explanation

   Answer – 1.712
   Explanation :
   872 – 0² = 872
   872 + 4² = 888
   888 – 8² = 824
   824 + 12² = 968
   968 – 16² = 712
   
   
   
2. 69, 84, 189, ?, 1197, 2484
   1.893
   2.761
   3.504
   4.920
   5.None of these
   
   Answer & Explanation

   Answer – 3.504
   Explanation :
   69+(1*3*5) = 84
   84+(3*5*7) = 189
   189+(5*7*9) = 504
   504+(7*9*11) = 1197
   1197+(9*11*13) = 2484
   
   
   
3. 156, 173, 131, 181, 94, ?
   1.321
   2.89
   3.171
   4.255
   5.None of these
   
   Answer & Explanation

   Answer – 4.255
   Explanation :
   156+17*1 = 173
   173-21*2 = 131
   131 + 25*3 = 206
   206-29*4 = 90
   90+33*5 = 255
   
   
   
4. 980, 191, ?, 253, 504, 505
   1.676
   2.876
   3.768
   4.534
   5.None of these
   
   Answer & Explanation

   Answer – 3.768
   Explanation :
   980÷5 -5 = 191
   191*4+4 = 768
   768÷3-3 = 253
   253*2-2 = 504
   504*1+1 = 505
   
   
   
5. 33, 165, 825, ? , 20625
   1.3625
   2.4125
   3.5225
   4.6225
   5.None of these
   
   Answer & Explanation

   Answer – 2.4125
   Explanation :
   33*0.5÷0.1 = 165
   165*1÷0.2 = 825
   825*1.5÷0.3 = 4125
   4125*2÷0.4 = 20625
   
   
   
6. 1, 9, 32, 114, 476, ?
   1.2400
   2.3100
   3.1980
   4.2320
   5.None of these
   
   Answer & Explanation

   Answer – 1.2400
   Explanation :
   1*1+1*8 = 1+9 = 9
   9*2+2*7 = 18+14 = 32
   32*3+3*6 = 96+18 = 114
   114*4+4*5 = 456+20 = 476
   476*5+5*4 = 2380+20 = 2400
   
   
   
7. 127, 125, 247, ?, 2943
   1.777
   2.773
   3.737
   4.767
   5.None of these
   
   Answer & Explanation

   Answer – 3.737
   Explanation :
   127*1-2 =125
   125*2-3 = 247
   247*3-4 = 737
   737*4-5 = 2943
   
   
   
8. 96, 99, 104, ?, 128, 151
   1.111
   2.112
   3.113
   4.114
   5.None of these
   
   Answer & Explanation

   Answer – 3.113
   Explanation :
   96+3 = 99
   99+(3+2) = 104
   104+(5+4) = 113
   113+(9+6) = 128
   128+(15+8) 151
   
   
   
9. 111, 133.2, 186.48, 298.36, 537.04, ?
   1.1046.19
   2.1074.12
   3.967.08
   4.1133.03
   5.None of these
   
   Answer & Explanation

   Answer – 2.1074.08
   Explanation :
   111*1.2 = 133.2
   133.2*1.4 = 186.48
   186.48*1.6 = 298.36
   298.36*1.8 = 537.04
   537.06*2 = 1074.08
   
   
   
10. 2125, ? , 207.75, 42.05, 26.025
    1.424.05
    2.925.25
    3.1230
    4.425.5
    5.None of these
    
    Answer & Explanation

    Answer – 4.425.5
    Explanation :
    2125÷5+0.5 = 425.5
    425.5*0.5 -5 = 207.75
    207.75÷5+0.5 = 42.05
    42.05*0.5 -5 = 26.025