Quantitative Aptitude: Number Series Set 119

Directions (1-5): The following series follow some particular pattern. Following that pattern find the number which will come in place of '?'.

1. 22… 37… 63… 98… 148… ?
   271
   211
   198
   209
   189
   Option B
   - 22 + (4^2-1) ,5^2+1……
   
    



2. 23… 48… 100… 206… ?
   380
   376
   420
   456
   None of these
   Option C
   2+2,*2+4...
   
    



3. 9…5… 6… 10.5… 23… ?
   76
   53
   45
   68
   60
   Option E
   *0.5+0.5,*1+1………
   
    



4. 8…4… 4… 6… ?... 30
   12
   15
   22
   28
   16
   Option A
   * 0.5 ,*1,*1.5……..
   
    



5. 5…9… 19… 37… 75… ?... 299
   128
   149
   259
   276
   188
   Option B
   *2-1,*2+1….
   
    


Directions (6-10): Find the wrong term in the following series each of which follows some particular pattern:

6. 1333..., 1731..., 2201..., 2749..., 3378
   
   
   1333
   1731
   2201
   2749
   3378
   Option E
   11³ + 2 = 1333
   
   12³ + 3 = 1731
   
   13³ + 4 = 2201
   
   14³ + 5 = 2749
   
   15³ + 6 = 3381
   
   
   
    



7. 16..., 40..., 72..., 106..., 148..., 196
   
   
   16
   40
   72
   106
   148
   Option C
   16 + 24 = 40
   
   40 + 30 = 70
   
   70 + 36 = 106
   
   106 + 42 = 148
   
   148 + 48 = 196
   
    



8. 7....8..., 18...., 57..., 232..., 1160
   
   
   1160
   232
   57
   18
   8
   Option A
   7 * 1 + 1 = 8
   
   8 * 2 + 2 = 18
   
   18 * 3 + 3 = 57
   
   57 * 4 + 4 = 232
   
   232 * 5 + 5 = 1165
   
   
   
    



9. 71..., 80..., 96..., 121..., 159..., 206
   
   
   71
   80
   96
   121
   159
   Option E
   71 + 3² = 80
   
   80 + 4² = 96
   
   96 + 5² = 121
   
   121 + 6² = 157
   
   157 + 7² = 206
   
   
   
    



10. 321..., 316..., 324..., 309..., 329..., 306
    
    
    321
    316
    324
    309
    329
    Option D
    321 – 5 = 316
    
    316 + 8 = 324
    
    324 – 12 = 312
    
    312 + 17 = 329
    
    329 – 23 = 306