• foto5

    "Feeling confident to start an assessment, starts here"

  • foto2

    "A good assessment preparation starts at Fibonicci"

  • http://www.dreamstime.com/royalty-free-stock-photos-desperate-businessman-employee-sitting-alone-prompting-his-head-image33242558

    "Stop worrying about a good preparation"

Number Sequence Test – Hard

Next follows a number sequences aptitude test with 21 of the hardest number sequences on the web! Can you solve them all? What are the missing numbers in the number sequences shown below? Good luck!

Practice the number sequence tests used by employers with JobTestPrep.

Start the test!

1. 15 29 56 108 208 ...
  386 400 416 438
 
 
2. 13 -21 34 -55 89 ...
  -96 104 -123 -144
 
 
3. 52 56 48 64 32 ...
  84 112 96 94
 
 
4. 1 3 7 11 13 ...
  17 15 19 21
 
 
5. 230 460 46 92 9.2 ...
  18.4 18 18.2 20.4
 
 
6. 3 12 24 33 66 ...
  75 74 86 82
 
 
7. 3 5 7 11 13 ...
  13 14 16 17
 
 
8. 8 16 24 36 48 ...
  58 76 64 72
 
 
9. 68 36 20 12 8 ...
  4 5 3 6
 
 
10. 18 6 24 8 32 ...
  9 10.7 10 8
 
 
11. 99 18 36 9 18 ...
  36 27 9 3
 
 
12. 3 8 23 68 203 ...
  271 248 608 606
 
 
13. 144 73 14 8 236 ...
  118 119 120 96
 
 
14. 10 45 15 38 20 ...
  25 30 31 33
 
 
15. 1 10 37 82 145 ...
  207 226 232 255
 
 
16. -2 1 6 13 22 ...
  29 33 36 42
 
 
17. 34 -21 13 -8 5 ...
  1 0 -3 -4
 
 
18. 1 0 1 -1 2 ...
  -2 -3 0 1
 
 
19. 108 56 29 15 8 ...
  3 4 5 6
 
 
20. 1 8 27 64 125 ...
  189 196 216 225
 
 
21. -2 3 27 69 129 ...
  178 207 268 312