Brain Exercises...

Clue: Think out of the box.

I will help with the first one.

24 H in a D - 24 Hours in a Day
26 L of the A
7 D of the W
7 W of the W
12 S of the Z
66 B of the B
52 C in a P (W Js)
13 S in the U S F
18 H on a G C
39 B of the O T
5 T on a F
90 D in a R A
3 B M (See How They Run)
32 is the T in D F at which W F
15 P in a R T
3 W on a T
100 C in a R
11 P in a F (S) T
12 M in a Y
13 is U for S
8 T on a O
29 D in F in a L Y
27 B in the N T
365 D in a Y
13 L in a B D
52 W in a Y
9 L of a C
60 M in a H
23 P of C in the H B
64 S on a C B
9 P in S A
6 B to an O in C
1000 Y in a M
15 M on a D M C
88 P K
9 P in the S S
4 Q in a G
8 S on a S S
12 D of C

I could send the answers to you/verify for you, if you are interested.