[porkynator]

1.
Scramble: R' U' F L2 U' L B2 U L2 U L2 D2 R2 U2 R2 F D U L2 D L' B U' R' U' F
Solution: R D2 F2 U2 F2 B2 U2 R' D2 R' D2 U2 B2 L2 U L F2 D2 U2 R2 D' B' D R' U2 (25)
No time limit: U' F U L2 B D R2 F2 L2 U' L2 F L2 U' L' F U2 B' D2 B U2 B' D2 (23)

Spoiler (Click to View)

(U2 R D' B) //EO (4/4)
(D) //Simplify 4-2 (1/5)
(R2 U2 D2 F2 L' U') //DR (6/11)
R (L2 B2 U2 D2 R D2 R) //HTR (8/19)
(U2 B2 F2 U2 F2 D2) //Finish (6/25)

No time limit:
(B F' L) //EO (3/3)
U' F U L2 B //2 squares (5/8)
D R2 F2 //222 + one more square (3/11)
L2 U' L2 F L2 U' //3c (6/17)
Append after premoves: B U2 B' D2 B U2 B' D2 (8-2/23)

2.
Scramble: R' U' F U2 B F2 L D2 B2 D2 L2 R' U2 L2 R2 B' L' R' B' U R' D R' U' F
Solution: R' F B' D' R' B U2 L2 U D B U R2 U L' U F B' D' F2 B2 U B (23)

Spoiler (Click to View)

R2 U' B //Square (3/3)
(B L' D)
L2 D2 R L
B L U2 L //5e (4/14)

Skeleton:
R2 [2] U' B //Square (3/3)
L2 D2 R L
B L U2 L
D' L B' [1] [3]

[1] = S' (2-1/15)
[2] = R S' R' (4-1/18)
[3] = B U' S2 U B (6-1/23)

3.
Scramble: R' U' F U' B L2 F L2 F U2 F L2 B2 D' F' R B2 U L2 F L D F2 R' U' F
Solution: R2 F D2 B L2 B R2 D R2 B2 U L2 D' L2 U B2 D2 L2 D2 L2 D2 L B' D' (24)

Spoiler (Click to View)

(D B L) //EO (3/3)
R2 F D2 B L2 B //DR (6/9)
R2 D R2 B2 //Blocks (4/13)
U L2 D' L2 U B2 //2e2e (6/19)
D2 L2 D2 L2 D2 L2 //Finish (6-1/24)

25(23), 23, 24 = 24.00(23.33)

EDIT: added no time limit solve for #1