If you have two identical trousers, do you have a set of trousers, or a pair of pair of trousers?
If you have a drawer full of odds and ends, and you throw away all but one item, is it an odd or an end?
Bugs Bunny often got lost by failing to turn left at Albuquerque. Why is Albuquerque such a major transportation hub for rabbits?
Say you need to do a job, and you’re looking for some related pair o’ phernalia. If you can find only one phernalia, can you still do the job?
Go ask your mother!
(It’s going to be one of those days 
)
Why do women wear a pair of panties, but only one bra?
Why do you say “pass the turnip” and “pass the squash” but then say “pass the potatoes”? Shouldn’t it be “pass the potato” (or “pass the turnips” and “pass the squashes”)?
This has been around for quite a while and no one has answered it yet.
Why do we drive on parkways, but park on driveways?
A lot of people channeling George Carlin today…
If someone offers you a penny for your thoughts and you give them your two cents’ worth, do they owe you another penny?
If absence makes the heart grow fonder, why do we keep things out of sight, out of mind?
Why do we feed dogs and cats dog food and cat food, but for horses, chickens and cows it is feed? I remember asking my daddy that when I was 5 years old.
It’s a pair of pants, but when you get mud on one side it is a pant leg. Not a pants leg.
Someone asked me why turds seemed to come in twos.
I said, cuz it’s plural.
Also, if I took Ex-Lax and Immodium at the same time, which would win?
Why do our noses run and our feet smell?
If still water runs deep, how can it run if it’s so still?
If two wrongs don’t make a right, how come three lefts do?
It means that suicide lanes are in effect.
We abolished pennies last year specifically to evade that question. 
Neither. The singular of “odds and ends” is “thingamawatchit”. If you have a few thingamawatchits, then you have odds and ends.
If they make olive oil by crushing olives, then how do they make baby oil?
While I frequently hear of people being disgruntled, I am yet to come across anyone who is gruntled. Why is that?
If you can only find one piece of your pair o’ phernalia, it’s a phernalium.