21) Race : Fatigue :: Fast : ?
Explanation: As the result of Race is Fatigue similarly the result of Fast is Hunger.
22) Peace : Chaos :: Creation : ?
Explanation: As opposite meaning of peace is chaos similarly opposite meaning of creation is destruction.
23) Tiger : Forest :: Otter : ?
Explanation: As Tiger is found in Forest similarly Otter is found in the water.
24) Poles : Magnet :: ? : Battery
Explanation: As magnet has poles similarly battery has terminals.
25) Cassock : Priest :: ? : Graduate
Explanation: A Priest wears cassock while Graduate wears gown.
26)Ice : Coldness :: Earth : ?
Explanation: As effect of Ice is coldness similarly the effect of Earth is gravitation.
27)Parts : Strap :: Wolf : ?
28) Physician : Treatment :: Judge : ?
Explanation: As Physician does the treatment similarly Judge delivers the judgement)
29) BEGK : ADFJ :: PSVY : ?
30) AZBY : CXDW :: EVFU : ?