B is twice as old as A but twice younger than F.
C is half the age of A but twice the age of D.
Which two persons from the pair of oldest and youngest ? 

B. F AND D

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 chess player ?

E. T

(i). There is a family of six members A, B, C, D, E and F.
(ii). There are two married couples in the family and the family members represent three generations.
(iii). Each member has a distinct choice of a colour amongst green, yellow, balck, red, white and pink.
(iv). No lady member likes either green or white.
(v). C, who likes black colour is the daughter-in-law of E.
(vi). B is brother of F and son of D and likes pink.
(vii). A is grandmother of F and F does not like red.
(viii). The husband has a choice of green colour, his wife likes yellow. Which of the following is one of the married couples ?

B. CD

A is elder to B while C and D are elder to E who lies between A and C.
If C be elder to B, Which one of the following statements is necessarily true ? 

D. E IS ELDER TO B

There are six cities A, B, C ,D, E and F.
A is not a hill station.
B and E are not historical places.
D is not an industrial city.
A and D are not historical cities.
A and B are not alike. Which two cities are neither historical places nor industrial centres ?

D. B AND D