Needles N1 , N2 and N3 are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will
(a) attract all three of them
(b) attract N1 and N2 strongly but repel N3
(c) attract N1 strongly, N2 weakly and repel N3 weakly
(d) attract N1 strongly, but repel N2 and N3 weakly
