1. There are 3 crows perched on the branch of a tree. How many feet are there on the branch?   2. A fish tank contains 36 fish of which 8 are stationary. How many fish in the tank are moving?   3. There are 3 moths with a total of 12 blue spots on their wings. If each moth has the same number of spots, how many spots on each moth?   4. There are 4 lions and 5 tigers in a circus show. How many legs are there in all?   5. A zoo has 5 African elephants and 9 Indian elephants. How many elephants are there in the zoo?