Select the set that is different among the given four options.

Select the correct combination of mathematical signs to replace * signs and to balance the given equation.
555 * 5 * 11 * 25 * 4  

Direction : Study the following information carefully and answer the given questions.
 A, B, C, D, E, F, G and H are sitting around a circular area at equal distance between each other, but not necessarily in the same order. Some people face the centre while some face outward (i.e. in a direction opposite the centre.) B sits third to the right of E. E faces outward. Only one person sits between B and F. Both the immediate neighbours of F face outward. Only three persons sit between G and H. G is not an immediate neighbour of B. Both the immediate neighbours of D face the centre. D is not an immediate neighbour of G. Both the immediate neighbours of C face the centre. Both the immediate neighbours of E face a direction opposite that of G (i.e. if G faces the centre, then both the immediate neighbours of E face outward and vice versa).

What is G's position with respect to C? 

Direction: Select the related word from the given alternatives.

Rubber: Tree :: Silk:?

In each of the following questions, certain pairs of words are given, out of which the words in all pairs excepts one, bear a certain common relationship. Choose the pair in which the words are differently related?

563, 647, 479, 815, (…)

Pointing to a woman, I said that her brother’s only son is the brother of my wife. How is the woman related to me?

Find the missing number from the given responses in the following questions?