Correct Answer: (d) None
Solution:The magnets are not stick to the good quality of stainless steel, its depends on the composition of stainless steel.
The stainless steel which has 10.5% chromium, has minimum 8% nickel and 8% manganese, then this stainless will become non magnetic.
So, those stainless steel contain higher amount of nickel, do not stick with magnets.
Plastic, carbon and aluminium are non magnetic in nature.