(i). Seven students P, Q, R, S, T, U and V take a series of tests. (ii). No two students get similar marks. (iii). V always scores more than P. (iv). P always scores more than Q. (v). Each time either R socres the highest and T gets the least, or alternatively S scores the highest and U or Q scores the least.
If S is ranked sixth and Q is ranked fifth, which of the following can be true ?
(i). P, Q, R, S, T and U are six members in a family in which there arfe two married couples. (ii). T, a teacher is married to the doctor who is mother of R and U. (iii). Q, the laywer is married to P. (iv). P has one son and one grandson. (v). Of the two married ladies one is a housewife. (vi). There is also one student and one male engineer in the family.
Which of the following is true about the grand-daughter in the family ?