Imagine a single word which when added to body of the following words forms entirely new words.
FIST, TICK, HEAT, BUST.
SolutionThe candidates will see that if the word R is added to each of the given words, the new formed words will be:
FIRST, TRICK, HEART, BURST.
You can do well on this section of the test if you have a strong base of English vocabulary. Memorize wordlist based on easy words. Dont go for SAT word list they are far beyond the scope of PAF tests.
An important factor in your success on the PAF test is General Knowledge.