Shyam’s herd: White cow = 12 L/day, Brown cow = 7 L/day, Yellow cow = 10 L/day. Using the picture, find total daily milk production. \begin{center}
In a new decimal system, digits 0–9 are replaced with symbols. Equations are given. In (iv), one digit appears twice. Which digit replaces the question mark?
The picture shows decimal numbers encoded in colors in another number system. Six numbers are given. On the right, a multiplication is shown. What decimal number represents the result?
