Challenges - LeCursos

Today's size: guess the order of magnitude
A counting question with an enormous answer. Get the size right, not the digits.

Move, pour, cross: the classic logic puzzles
Hanoi, water jugs and the river crossing, across 100 levels with the shortest solution measured by search.

Find the bug in the Python code
A short function, one wrong line, and the case where it fails. Click the guilty line across 100 levels.

Accounting problem of the day
Solve today's accounting problem and type the number. Book value, cost of goods sold or break even point.

Statistics problem of the day
Solve today's statistics problem and type the number. Each try tells you whether the right answer is higher or lower than yours.

Finance problem of the day
Solve today's compound interest problem and type the amount. Each try tells you whether the right answer is higher or lower than yours.