Quantitative Aptitude: Number Series Set 12

Directions: What will come in place of (?) in following series following a certain pattern?

1. 6, 7, 12, 39, 152, ?
   A) 681
   B) 765
   C) 566
   D) 745
   E) 660
   
   View Answer

   Option B
   Pattern:
   *1 + 1, *2 – 2, *3 + 3, *4 – 4, *5 + 5.
   
2. 4, 6, 22, 76, 204, ?
   A) 441
   B) 339
   C) 423
   D) 454
   E) 390
   
   View Answer

   Option D
   Pattern:  
   Numbers +
   + 2*1^3, + 2*2^3 + 2*3^3, + 2*4^3, + 2*5^3.
   
3. 10, 19, 27, 33, 35, ?
   A) 41
   B) 39
   C) 29
   D) 25
   E) 30
   
   View Answer

   Option C
   Pattern:
   *2 – 1, *2 – 11, *2 – 21, *2 – 31,*2 – 41
   
4. 2, 6, 25, 96, 285, ?
   A) 612
   B) 568
   C) 666
   D) 545
   E) 460
   
   View Answer

   Option B
   Pattern:
   *6 – 6, *5 – 5, *4 – 4, *3 – 3, *2 – 2
5. 3, 4, 6, 28, ?, 3472
   A) 216
   B) 393
   C) 556
   D) 335
   E) 433
   
   View Answer

   Option A
   Pattern:
   *1 + 1, *2 – 2, *4 + 4, *8 – 8, *16 + 16.
   
6. 9, 5, 9, 25, 91, ?
   A) 414
   B) 459
   C) 331
   D) 445
   E) 360
   
   View Answer

   Option A
   Pattern:
   *0.5 + 0.5, *1.5 + 1.5, *2.5 + 2.5, *3.5 + 3.5, *4.5 + 4.5.
   
7. 14, 22, 12, 26, ?, 34
   A) 18
   B) 11
   C) 21
   D) 15
   E) 06
   
   View Answer

   Option E
   Pattern:
   
8. 8, 6, 14, 64, 440, ?
   A) 3960
   B) 3155
   C) 3950
   D) 2045
   E) 2160
   
   View Answer

   Option C
   Pattern:
   *1 – 2, *3 – 4, *5 – 6, *7 – 8, *9 – 10.
   
9. 12, 23, 45, 78, 122, ?
   A) 181
   B) 172
   C) 166
   D) 145
   E) 177
   
   View Answer

   Option E
   Pattern:
   +11, +22, +33, +44, +55.
   
10. 18, 10, 6, 4, 3, ?
    A) 1
    B) 1.5
    C) 2
    D) 2.5
    E) 0.5
    
    View Answer

    Option D
    Pattern:
    *0.5 + 1, *0.5 + 1, *0.5 + 1, *0.5 + 1, *0.5 + 1.