JAMB 2012 · UTME · Q2✱

Change to base ten using place values: $112_6 = 1 \times 36 + 1 \times 6 + 2 = 44$.

Divide by 3 repeatedly: $44 = 3 \times 14 + 2$, $14 = 3 \times 4 + 2$, $4 = 3 \times 1 + 1$, and $1 = 3 \times 0 + 1$.

Read the remainders from the bottom up: $1122_3$, option D.