Incorrect
Explanation
Four presidents have been assassinated while in office – Abraham Lincoln (1865), James A. Garfield (1881), William McKinley (1901) and John F. Kennedy (1963).
Solve this puzzle
Mike needs 13 bottles of water from the store. Mike can only carry 3 at a time. What's the minimum number of trips Mike needs to make to the store?
5 3 4 ½ 4