D is daughter of N, E is wife of N. G is sister of D. C is married to G. N has no son. K is mother of E. Q is only daughter of C. How is N related to K ?

D is the son of P. P is the daughter of M. S is married to M. R and H are children of S. W is the husband of H. K is the son of W. 

How is D related to K?

Read the following information carefully to choose the best option for the question.
'L % M' means that 'M is the brother of L'.
'L $\times$ M' means that 'L is the mother of M'.
'L + M' means that 'L is the sister of M'.
'L = M' means that 'M is the father of L'.
Which of the following means 'I is the nephew of Q'?
I. Q % J = I
II. Q + M $\times$ B % I
III. C + I = B % Q

Study the following information carefully to answer the question.
(i) 'P * Q' means 'P is the father of Q'.
(ii) 'P # Q' means 'P is the sister of Q'.
(iii) 'P + Q' means 'P is the brother of Q'.
(iv) 'P - Q' means 'P is the mother of Q'.
(v) 'P / Q' means 'P is son of Q'.
(vi) 'P = Q' means 'P is daughter of Q'.
If Z * X - Y is given, then which of the following is true?