Forty, Ten, Ten
In the addition FORTY + TEN + TEN = SIXTY, each letter stands for a single decimal digit, different letters stand for different digits, and no number begins with a zero (so F, T and S are nonzero). The puzzle has exactly one solution. What is the five-digit number SIXTY?
Related problems & prerequisites
Worth solving first
- The Weekday Liar 7.0/10
- Cracking the Four-Digit Lock 7.0/10
- Unlucky Thirteenths 5.0/10
Source: Classic verbal cryptarithm in wide circulation (FORTY + TEN + TEN = SIXTY); no traceable original source. Statement written for AxiomIQ.