Logics And Riddles II

15 Points Per Correct Answer - No time limit  

1. Fill in the blank: 4, 9, 25, 49, 121, ... ? 137 162 154 169

2. Take a 3 by 3 square. The first row reads 1, 2, 3. The second: 4, 5, 6. The last one: 14, 19, ??? Which number is missing? Answer: (number)

3. Fill in the blank: 1, 3, 5, 11, 21, 43, ...? 85 87 78 94

4. Can you divide 10230 by 3 and get a natural number? Answer: (yes or no)

5. The sum of the even numbers between 1 and 21 equals? Answer: (number)