張潔

1. Which letter is three to the left of the letter two to the right of the letter immediately to the left of the letter F？

A? B? C? D? E? F? G? H

2. 357 ： 466 ： 575

Which three numbers below have the same relationship to one another as the three numbers

above？

A. 719 ： 628 ： 537 B. 462 ： 353 ： 262 C. 634 ： 743 ： 852 D. 873 ： 651 ： 762

3. What will you break once you say it？

4. Which number should replace the question mark？

5. This is a secret code （密碼）. Study it carefully.