Variable Vault – Level 1 – Medium

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Home » Variable Vault – Level 1 – Medium

Four lettered dials (A, B, C, D) unlock a vault. Each dial must be set to the correct number based on the clues below. Solve all clues to find the code: the 4-digit number ABCD.

Read more about how to solve these puzzles here

Clues:

A + 2B = C + D + 5
D = A + 2
C = 2(B – 1) – 5
A + B + C + D = 21
B = A + 2
D = 6

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