Puzzling quizes

This puzzle Section will go harder with respect to time goes on .The next puzzle will be posted only if i will get the correct soltuion . So, guys/girls be ready to start solving the Puzzles as it will be having mate in 1 to mate in 25 or even more

Puzzle # 1:- White to play and mate in 2
[FEN "7R/3r1k1p/6pP/r2P2P1/5P2/4R3/p5K1/8 w"]

Re3e8, Any move by black and then Rh8f8#

Yes ratan u got the answer right

1.Re8 a1=Q (Best move by white) 2. Rhf8#

It's Rhf8# lol

Puzzle # 2 :- Black to move and mate in 4
[FEN "4R3/2p4k/1p5p/1P2Qp2/2P1nr2/7P/3q2B1/6K1 b"]

Qe1+ Kh2
Qg3+ Kh1 [...Kh2 => Rf1+ Kxf1 Qf2# ]
Rf1+ Bxf1
Nf2#

Qe1+ Kh2
Qg3+ Kh1 [...Kh2 => Rf1+ Kxf1 Qf2# ]
Rf1+ Bxf1
Nf2#

Ratan got the answer this time too ..
Here's a new one

Puzzle #3
White to play Mate in six
[FEN "2qr1k2/5p2/2p1pP2/p1p2pQ1/Pn1P3r/8/1P4PP/3R3K w"]

Qg7+ Ke8, Qg8 Kd7, Qf7+ kd6, Qe7+ Kd5, Qc5+ Ke4, Qe5#

Correct answer pankaj keep going
1. Qg7+ Ke8 2. Qg8 Kd7 3. Qf7+ kd6 4. Qe7+ Kd5 5. Qc5+ Ke4 6. Qe5#

Puzzle # 4 Black to play and mate in 3
[FEN "6B1/1R4pp/P4p2/4nP2/6P1/1P2k2P/1r6/5K2 b"]

....Rf2+
Ke1 Nd3+ [ Kg1 => ...Nf3+ Kh1 Rh2# ]
Kd1 Re2#