A Riddle a Day -- 78 Logical and Mathematical Puzzles

Riddle Rewards

I have worked out (mostly) how I am going to do riddle rewards! After the 30th riddle (weekend challenges aren't counted in the number) I will tally up each user's points as follows

5pts - First to solve riddle

4pts - Second to solve riddle

3pts - Third to solve riddle

2pts - Correctly solved riddle (didn't place)

1pt - Attempted to solve riddle (even if answer was incorrect)

Weekend Challenges -- Double points

As you see, even if you don't get the riddle right you still get points! And you don't have to win to score! So make sure you get to guessing on those riddles (once a solution has been posted the riddle is closed as far as earning points goes).

I have not yet thought of a prize for the top three, so if you have any ideas please put them in the comments.

Enjoy today's riddle!