11. PQRS : LONQ :: WXYZ : ?
12. BLUE : EULH :: PINK : ?
13. COUNTER : BITISAQ :: PROPERLY : ?
14. USPL : KMPT :: LJGC : ?
The letters of the first group are first wrtten in a reverse order. The first and fourth letters of the group obtained are each moved one step backward and
the second and third letters are each moved three steps backward to obtain the corresponding letters of the second group,
15. DWH : WDS : : FUL : ?
16. ACFJ : ZXUQ :: EGJN : ?
17. EGIK : WUSQ :: DFHJ : ?
E,G, I, K are fifth. Seventh, ninth and eleventh letter, from the beginning of the alphabet and W, U, S, Q are fourth, sixth. eigth and tenth letters from the
end of the alphabet. Similarly, D. F, H, J are fourth. sixth, eighth and tenth letters from the beginning of the alphabet. So. the required group will consist of letters which are third, fifth, seventh and ninth from the end at the alphabet.
18. CFED : PSQR :: JMKL : ?
19. POST : OLNM :: MOST : ?
20. APPLE : EPPLA :: PEARS : ?