Quantitative Aptitude: Number Series Set 145

1. 12 , 8 , 16 , 48 , 184 , ?
   850
   860
   840
   780
   None of these
   Option B
   12*0.5+2=8
   8*1.5+4=16
   
    



2. 12 , 19 , 33 , 61 , ? , 229
   119
   125
   117
   132
   None of these
   Option C
   
   
    



3. 5 , 12 , 33 , 136 , 675 , ?
   4050
   4056
   3570
   4580
   None of these
   Option B
   5*2+2=12
   12*3-3
   33*4+4
   
    



4. 20 , 10 , 12 , 24 , 75 , ?
   345.5
   335.5
   330.5
   325.5
   None of these
   Option D
   20*0.5-0
   10*1.5-3
   12*2.5-6
   
    



5. 24 , 28 , 40 , ? , 88 , 124
   50
   60
   55
   65
   None of these
   Option B
   24+4=28
   28+4*3=40
   
    



6. 19 , 23 , 40 , 70 , 113 , ?
   177
   180
   169
   175
   None of these
   Option C
   
   
    



7. 20 , 39 , 74 , ? , 262 , 499
   142
   145
   139
   150
   Nne of these
   Option C
   20*2-1^2
   39*2-2^2
   
    



8. 14 , 12 , 28 , 78 , 320 , ?
   1600
   1620
   1590
   1540
   None of these
   Option C
   14*1-2
   12*2+4
   
    



9. 12 , 6.5 , 7.5 , 12.75 , 27.5 , ?
   72.00
   71.25
   75.00
   74.25
   None of these
   Option B
   12*0.5+0.5
   6.5*1+1
   
    



10. 18 , 22 , 35 , 121 , 459 , ?
    2514
    2500
    2331
    2505
    None of these
    Option C
    18-1+4
    22*2-9