A blacksmith has five iron articles A, B, C, D and E, each having a different weight.
(i)  A weights twice as much as B.
(ii)  B weights four and a half times as much as C.
(iii)  C weights half as much as D.
(iv)  D weights half as much as E.
(v)  E weights less than A but more than C. E is heavier than which of the following two articles ?

B. D, C

There are five persons P, Q, R, S and T. One is football player, one is chess player and one is hockey player. P and S are unmarried ladies and do not participate in any game. None of the ladiesplays chess or football. There is a married couple in which T is the husband. Q is the brother of R and is neither a chese player nor a hockey player. Who is the hockey player ?

C. R

(i). There are six friends A, B, C, D, E and F.
(ii). Each one is proficient in one of the games, namely Badminton, Volleyball, Cricket, Hockey, Tennis and Polo.
(iii). Each owns a different coloured car, namely yellow, green, black, white, blue and red.
(iv). D plays Polo and owns a yellow coloured car.
(v). C does not play either Tennis or Hockey and owns neither blue nor yellow coloured car.
(vi). E owns a white car and plays Badminton.
(vii). B does not play Tennis, he owns a red coloured car.
(viii). A plays Cricket and owns a black car. Who plays Volleyball ?

B. C

(i) Eight doctors P, Q, R, S, T, U, V and W visit a charitable dispensary every day except on a holiday i.e. Monday.
(ii) Each doctor visits for one hour from Tuesday and Sunday except Saturday. The timings are 9 a.m. to 1 p.m. and 2 p.m. to 6 p.m.; 1 p.m. to 2 p.m. is lunch break.
(iii) On Saturday, it is open only in the morning i.e. 9 a.m. to 1 p.m. and each doctor visits for only half an hour.
(iv) No other doctor visits the dispensary before doctor Q and after doctor U.
(v) Doctor W comes immediately after lunch break and is followed by R.
(vi) S comes in the same order as P in the afternoon session. At what time the visit of doctor R is over on Sunday ?

C. 4 P.M.

The Director of the Institute has announced that six guest lectures on different areas link Leadership, Decision Making, Quality Circles, Motivation, Assessment Centre and Group Discussion are to be organised only one on each day from Monday to Sunday.
  1. Motivation should be organised immediately after Assessment Centre.
  2. Quality Circle should be organised on Wednesday and should not be followed by Group Discussion.
  3. Decision Making should be organised on Friday and there should be a gap of two days between Leadership and Group Discussion.
  4. One day there will be no lecture (Saturday is not that day), just before that day Group Discussion will be organised.
Which of the pairs of lectures were organised on first and last day ?

E. NONE OF THESE