What is the answer to this riddle: "It takes 2 of me to make a 1; 5 of me to make a 2,3,5,9; 4 of me to make a 4; 6 of me to make a 6,0"?

Answer by  Kyler (20)

This riddle refers to LED bars that are lit to form numbers on a digital display. Each digit requires a subset of up to seven available bars.

Answer by  Sara89 (367)

Picture a digital clock. For a 1, two bars are used: | | To form a 2, 3, 5, or 9; use 5 bars. __ __| __| To make a 4, four bars are used: |__| | To make a 6 or zero, six are used: __ | | |__|