a = log(2) b = log(7) Express log(492) in terms of a and b.

Some years back, toward the beginning of the school year, I got a call from my kid about a leadership opportunity that he wanted to pursue after normal school hours. I was pleasantly surprised, so of course I offered to give him a ride home when it was over. We had recently moved into the commun...

for these puzzles you're given a set of letter pairings that you line up into a code via the overlapping letters as an example: you have pairs "CA", "CO", "DC" and "OD" for a 5-letter code. with the answer being CODCA (contains CO, OD, DC, CA in that order)

Can you complete this pattern?

My first puzzle question here. I hope this meets your quality standards. :-) First a short anecdote about the puzzle, that has no relevance if you just want to solve it: Over a number of years, I was - and still do - frequent a danish boardgame website. A lot of the users had met face to face an...

By measuring once you shall know me, By measuring twice you shall not. Though I'm needed for action and getting things done, The more I speed up, the slower you'll run. When I come to a stop, it's the end, all is done!

I hope this one isn't too easy. I'm the second of the first, but also the first of the inferior. I'm the end of belief, but the beginning of faith. I'm hidden in a field, but not in a meadow or farmland. I'm the start of a name, the last of the unknown. I'm found in victory, and in...

You, Detective Ryan, are packing up, as you are retiring. You have to say goodbye to your best friend, Wudriwurds. You open his last letter that he gave you, and read it with all your heart. Dear Ryan, It is very hard for me to say farewell, as we have worked together to solve many myste...

I'm the grumpy old troll who lives under the bridge. If you wanna come over, all you have to do is this. All you have to do is this: Solve my riddle - They call my Mr. 325, Don't leave your shoes untied. You might want an anti-emetic, You also might want to have an EpiPen han...

I lead to spendings, but I have no economical meaning. I count sun trips, but I have no astronomical meaning. I am finite, but I have no mathematical meaning. You may like me or not, but you certainly know my meaning! What am I?

This one is going to be tricky: There is a famous band with my name in it. You better keep me clean, or you might contract a nasty facultative parasite. I come in many shapes and sizes. I have been featured in the background of a pic on charlie_swags instagram. You can put...

"'Oomph?'" "Nice! One More?" "Aha, 'Trickle!'" "Oh, Pretty one! Everything's intensely auditory!"