Series Set – 12

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

Answer & Explanation

 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

Answer & Explanation

 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

Answer & Explanation

 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

Answer & Explanation

 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

Answer & Explanation

 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

Answer & Explanation

 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

Answer & Explanation

 Option E
Pattern:
 

8. 8, 6, 14, 64, 440, ?
A) 3960
B) 3155
C) 3950
D) 2045
E) 2160

Answer & Explanation

 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

Answer & Explanation

 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

Answer & Explanation

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

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