American Presidents 9These brain teasers rely on your ability to recognize groups of common attributes. For each of these puzzles you'll need to figure out why the words or letters are grouped as they are. Sometimes you will be asked to pick the odd-one-out or to place a new word into the correct group.
Which president in Group B can be added to Group A? Why?
Group A: George Washington, James Madison, Andrew Jackson, James Buchanan
Group B: John Adams, James Polk, Andrew Johnson, Rutherford Hayes, Benjamin Harrison, Calvin Coolidge
AnswerThe presidents in Group A did not have biological children. James Polk can be added to Group A. Washington, Madison, Jackson, and Polk had adopted children or stepchildren.
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