Is it possible to perform Method Hiding without using New keyword?

Today I had an interview where I have been asked

Is it possible to perform Method Hiding without using New keyword?

As far as I know , it is not possible. So I said that.

Is there any (seriously) tricky / alternate way to perform Method Hiding? I thought of Sealed once....

Also like Explicit Interface, is there something of that sort...(not sure)

Edited

As a last question on this topic, like we can do for explicit interface 

 Interfacename.Method name

Can we do something similar for a derived class like. 

Class Derived:Base
{ 
  public void Base.SomeMethod(){}
}
Jon Skeet
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Absolutely - if you don't specify anything, you still get the same effect as with the new modifier, but you get a warning as well.

There's also explicit interface implementation, of course.

In both cases, just casting the target to a different type "unhides" the method:

((BaseClass) x).SomeMethod();
((IFoo) x).SomeMethod();

Sealing a class has nothing to do with method hiding though - or rather, it prevents any derived classes from hiding a method, by making sure there are no derived classes.

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