Quants Questions : Number Series Set 11

Hello Aspirants. 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. 23, 29, 46, 156, ?
   A)607
   B)600
   C)591
   D)584
   E)None of these
   
   Answer

   B)600
   Explanation :
   23*1+6 = 29
   29*2-12 = 46
   46*3+18 = 156
   156*4-24 = 600
   
   
   
2. 6, 17, 56, 201, ?
   A)408
   B)536
   C)663
   D)848
   E)None of these
   
   Answer

   D)848
   Explanation :
   (6+11)*1 = 17
   (17+11)*2 = 56
   (56+11)*3 = 201
   (201+11)*4 = 848
   
   
   
3. 57, 59.5, 54.5, 47, 57, ?
   A)44.5
   B)31.5
   C)65.5
   D)55.5
   E)None of these
   
   Answer

   A)44.5
   Explanation :
   57+2.5 = 59.5
   59.5 – 5 = 54.5
   54.5-7.5 = 47
   47+10 = 57
   57-12.5 = 44.5
   
   
   
4. 2, 6, 30, 260, ?
   A)1240
   B)2340
   C)3130
   D)3000
   E)None of these
   
   Answer

   C)3130
   Explanation :
   1+1^1 = 1+1 = 2
   2+2^2 = 2+4 =6
   3+3^3 = 3+27 = 30
   4+4^4 = 4+256 = 260
   5+5^5 = 3125+5 = 3130
   
   
   
5. 4356, 2180, 1092, 548, ?
   A)276
   B)356
   C)476
   D)654
   E)None of these
   
   Answer

   A)276
   Explanation :
   (4356÷2)+2 = 2180
   (2180÷2)+2 = 1092
   (1092÷2)+2 = 548
   (548÷2)+2 = 276
   
   
   
6. 125, 132, 147, 178, ?
   A)212
   B)233
   C)324
   D)302
   E)None of these
   
   Answer

   B)233
   Explanation :
   125+7 = 132
   132+15 = 147……….(7+8=15)
   147+31 = 178……….(15+16= 31)
   178+55 = 233………..(31+24 = 55)
   
   
   
7. 29, 13.5, 15.5, 20.25, ?
   A)29.5
   B)38.5
   C)35
   D)44.5
   E)None of these
   
   Answer

   D)44.5
   Explanation :
   29*0.5-1 = 13.5
   13.5*1+2 = 15.5
   15.5*1.5-3 = 20.25
   20.25*2+4 = 44.5
   
   
   
8. 314, 322, 329, 343, 353, ?
   A)364
   B)375
   C)388
   D)400
   E)None of these
   
   Answer

   A)364
   Explanation :
   314+3+1+4 = 322
   322+3+2+2 = 329
   329+3+2+9 = 343
   343+3+4+3 = 353
   353+3+5+3 = 364
   
   
   
9. 601, 603, 609, 621, 641, ?
   A)671
   B)687
   C)661
   D)659
   E)None of these
   
   Answer

   A)671
   Explanation :
   601+(1*2) = 603
   603+(2*3) = 609
   609+(3*4) = 621
   621+(4*5) = 641
   641+(5*6) = 671
   
   
   
10. 54, 55, 63, 90, 154, ?
    A)265
    B)321
    C)254
    D)279
    E)None of these
    
    Answer

    D)279
    Explanation :
    54+1^3 = 54+1 = 55
    55+2^3 = 55+8 = 63
    63+3^3 = 63+27 = 90
    90+4^3 = 90+64 = 154
    154+5^3 = 154+125 = 279