"Into Numbers?..."

You can turn your clock upside down when the time reads the same upside down and rightside up. Which of these times can you NOT turn your clock upside down?
1. Eleven eleven.
2. 9:06
3. 6:09
4. 10:10
Why is Breen excited about Sunday?
1. The date makes the sequence 5, 6, 7.
2. He will look for perfect squares on license plates.
3. He can turn his clock upside down.
4. 567 is a prime.
Which of these is NOT a reason that people want to get married on July 7, 2007?
1. Eva Longoria is getting married on that day.
2. The number 7 is lucky.
3. Florists and caterers like that day.
4. The date is 7/7/7, which wins a jackpot in a slot machine.
Which of these special days is NOT mentioned in the article?
1. Pi Day is March 14.
2. e Day is January 27.
3. Mole Day is October 23.
4. Inverse Day is November 11.