Incorrect
Explanation
There can be as many as three Friday the 13ths in a single calendar year; either in February, March, and November in a common year starting on Thursday (such as 2009, 2015, or 2026), or January, April, and July in a leap year starting on Sunday.
Solve this puzzle
You have a 100 pound watermelon. 99% of its weight is water. After a few hours, 98% of its weight is water. How much water evaporated?
20 pounds 10 pounds 50 pounds 30 pounds