[ricosuave]

You will have to think "international" for some of these.

I'll give you the first 25......


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0 - 24 H in a D - 24 Hours in a Day
1 - 26 L of the A - 26 Letters of the Alphabet
2 - 7 D of the W - 7 Days of the Week
3 - 7 W of the W - 7 Wonders of the World
4 - 12 S of the Z - 12 Signs of the Zodiac
5 - 66 B of the B - 66 Books of the Bible
6 - 52 C in a P (W J) - 52 Cards in a Pack(Without Jokers)
7 - 13 S in the U S F - 13 Stripes in the United States Flag
8 - 18 H on a G C - 18 Holes on a Golf COurse
9 - 39 B of the O T - 39 Books of the Old Testament
10- 5 T on a F - 5 Toes on a Foot
11 - 90 D in a R A - 90 Degrees in a Right Angle
12 - 3 B M (S H T R) - 3 Blind Mice (See How They Run)
13 - 32 is the T in D F at which W F - 32 is the Temperature in Degrees Farenheit at which Water Freezes
14 - 15 P in a R T - 15 Players in a Rugby Team
15 - 3 W on a T - 3 Wheels on a Tricycle
16 - 100 C in a D - 100 Cents in a Dollar
17 - 11 P in a F (S) T - 11 Players in a Football (Soccer) Team
18 - 12 M in a Y - 12 Months in Year
19 - 13 is U F S - 13 is Unlucky For Some
20 - 8 T on an O - 8 Tentacles on an Octopus
21 - 29 D in F in a L Y - 29 Days in February in a Leap Year
22 - 27 B in the N T - 27 Books in the New Testament
23 - 365 D in a Y - 365 Days in a Year
24 - 13 L in a B D - 13 Loaves in a Bakers Dozen
25 - 52 W in a Y - 52 Weeks in a Year

Maybe these will give you some hints for the rest...