(i) A, B, C, D, E and F are six members in a family in which there are two married couples.
(ii) D is brother of F. Both D and F are lighter than B.
(iii) B is mother of D and lighter than E.
(iv) C, a lady, is neither heaviest nor the lightest in the family.
(v) E is lighter than C.
(vi) The grandfather in the family is the heaviest. How many male members are there in the family ?

D. DATA INADEQUATE

Four youngmen Raj, Prem, Ved and Ashok are friendly with four girls Sushma, Kushum, Vimla and Poonam.
Sushma and Vimla are friends.
Ved's girl friend does not like Sushma and Vimla.
Kusum does not care for Ved.
Prem's girl friend is friendly with Sushma. Sushma does not like Raj. With whom is Sushma friendly ?

D. ASHOK

(i) P, Q, R, S, T and U are six members of a group of which three are males and three are females.
(ii) There are two engineers, two lawyers, one teacher and one doctor in the group.
(iii) Q, T, P and R are two married couples and no person in this group has the same profession.
(iv) T, a teacher with blue dress, married a male lawyer with brown dress.
(v) Colour of the dresses of both the husbands and that of both the wives is the same.
(vi) Two persons have blue dress, two have brown and the remaining one each has black and green.
(vii) P is a male engineer whose sister S is also an engineer.
(viii) P is a male engineer whose sister S is also on engineer.
(ix) Q is a doctor. Which of the following is a pair of married ladies ?

C. QT

A training college has to conduct a refresher course for teachers of seven different subjects -- Mechanics, Psychology, Philosophy, Sociology, Economics, Science and Engineering from 22nd July to 29th July.
  1. Course should start with Psychology.
  2. 23rd July, being Sunday, should be holiday.
  3. Science subject should be on the previous day of the Engineering subjects.
  4. Course should end with Mechanics subject.
  5. Philosopy should be immediately after the holiday.
  6. There should be a gap of one day between Economics and Engineering.
Which subject is followed by Science ?

D. ECONOMICS

(i). A, B, C, D and E are five friends.
(ii). B is elder to E, but not as tall as C.
(iii). C is younger to A, and is taller to D and E.
(iv). A is taller to D, but younger to E.
(v). D is elder to A but is shortest in the group. Which of the following pairs of students is elder to D ?

E. NONE OF THESE