Working hard again this afternoon obviously, anyway, solve these, there's some here I can't get and some easy ones for instant gratification, I'll let you know if you're right!

A) 24 H in a D 24 HOURS IN A DAY
B) 7 W of the W
C) 12 S of the Z
D) 66 B of the B
E) 52 C in a P (WJs)
F) 13 S in the U S F
G) 39 B of the O T
H) 5 T on a F
I) 90 D in a R A
J) 3 B M (S H T R)
K) 3 W on a T
L) 8 T on a O
M) 27 B in the N T
N) 23 P of C in the H B
O) 64 S on a C B
P) 15 M on a D M C