The following are answers to the logic problems which can be found HERE .
-1) Mt. Everest (It didn't suddenly grow once it was discovered.)
-2) Only once. (After one subtraction, it becomes 20.)
-3) Four. (There are three misspelled words, thus making "five" incorrect.
-4) 40 degrees. (A rock cannot call through frozen water.)
-5) "Goo-goo" (Maybe Ma-ma or da-da? I wasn't there to know for sure.)
-6) Nine. ( 5 + 4 = 9 )
How did you do?