Logic_Sequencing Numerics

[k.rotelli]

Tough sequence

Choose the right number to complete the following series: 4, 31, 112, 3010, ?

A: 20021
B: 20020
C: 6020
D: 21000
E: 44444

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[Juliette]

Hi!

Each number goes up by one digit, so the next number will have 5 digits
The sum of each number is equal to 4:
4 ; 3+1 ; 1+1+2 ; 3+0+1+0
The next number must be B): 2+0+0+2+0 = 4

Hope this helps!