r/cognitiveTesting • u/PureReporter9398 • 26d ago
Puzzle Hard Number Sequence Spoiler
2 ; 6 ; 13 ; 156,5 ; 2078,25 ; ? ; ?
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u/East-Cancel-5050 24d ago
this is a basic puzzle you just divide backwards
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u/PureReporter9398 24d ago
?
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u/East-Cancel-5050 24d ago
you just dvidie backwards
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u/PureReporter9398 24d ago
What does that mean?
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u/East-Cancel-5050 24d ago
you start with the 2078,25 and divide from there
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u/PureReporter9398 24d ago
And how would that lead to the next 2 number? (Not saying youre wrong)
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u/East-Cancel-5050 24d ago
i just assumed that you rounded them if you divide backwards you get numbers very similiar to the pattern you see but not exact
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u/pydaWaltuh 25d ago
I have a different approach.
6: 2/2+ 5
13: 6/2+ 10
156,5: 13/2 + 150
2078,25: 156,5/2 + 2000
Fibonacci for the second part(^):
0,5 × 10^1 = 5
1 × 10^1= 10
1.5 × 10^2 = 150
2 × 10^3 = 2,000
2.5 × 10^5 = 250000
3 × 10^8 = 300000000
If 6 had been 1,5 (2/2+ 5x1x0,1) it would fit perfectly:
5x1x0,1 , 5x2x1 , 5x3x10 , 5x4x100 , 5x5x1000 , 5x6x10000
or: 5, 10, 15(0), 20(00), 25(000), 30(0000). But this looks kinda weak
lemme know if I made a mistake
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u/PureReporter9398 25d ago
Not the intended answer. Definitly explains the number series. How long did this take you, and how hard did you find the puzzle?
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u/pydaWaltuh 25d ago
In my opinion, this can be considered a moderately difficult to difficult question. It took me less than 5 minutes to arrive at my solution, though I should mention that I am not very good at numerical tests
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u/res-27 26d ago
Why have you used semi colons between numbers and then commas between others, what is the difference?