Can You Solve This Family Puzzle?

is also why 11 is so tempting.

You can get to 11 quite easily, but you may forget that the three brothers still need a sister.

On the other hand, choosing 14 usually means assuming that each son has a different sister, which the puzzle never tells us.

So the key is to slow down and think about the wording rather than simply adding every number you see.continue reading …