11. Predict the thinking number

1. Georg thinks of a three digit number. The first digit is an even number. The second digit is an odd number and the third digit is a prime number. How many different numbers could Georg be thinking of?

 

Answer: .

 

2. Leonhard thinks of a two digit number. The first digit an even prime number and the second digit can take any whole number. Find the number of possible different number could Leonhard be thinking of?

 

Answer: .