13 patic
308 mopithoc
65 sitmm
100 cents in a dollar.
128 ounces in a gallon. I needed matt_mcl’s answer to get on the right track.
308 members of parliament in the house of commons.
13 provinces and territories in canada
88 koap
6 soag
4 soabg
88 keys on a piano
6 strings on a guitar
4 strings on a bass guitar
20 rop
12 cov
21600 moaiac
21600 Minutes of arc in a circle.
And a give-away on my earlier one:
48 ciapd
52 ciad
Still Open:
66 botb
12 toi
3 CWITELTEIG
48 CIAPD = Cards in a pinochle deck
52 CIAD = 52 Cards in a Deck
13 patic
65 sitmm
And mine (for the Cards in a deck one)
108 SIAB (OARB, ATBD) <–
WAG: 66 Books of the Bible?
And a couple from me:
24 hfT
194 citw (dowyb)
20 rings of power?
Btw:
57 = c(ano) is still open, sorry Cavemike
Sitting at my desk, and realize I’m humming a song…
I scratch my head, trying to figure out what song it is - it’s familiar, but I can’t quite place it.
Suddenly, the chorus bursts into my mind:
57 Channels and Nothing On!! (57 C(ano))
That’s absolutely a true story about how I just figured out this one.
Oh and I screwed up one of mine:
108 SIAB (OARB, ATBD) should be
108 SIAB (OBIAR, ATBD)
yay!
Still working on the rest…
7 woaw
76 tltbp
1,2,3 syoatobg
and the hardest…
4 hajgf
7 Wonders of (the) Ancient World
76 Trombones in the Big Parade
1, 2, 3 Strikes You’re Out at the Old Ball Game
4 … Ummmmm…Heads Are Just Great Fun? 
There are…
92 eotpt
10 kopitwtwubatwd
10 Kinds of People in the World. Those Who Understand Binary and Those Who Don’t.
1920 Qotsdmbaa1sdr
1920 Quips on the SDMB about a 1920s Style Death Ray?