Answer:
Fluid intelligence
Step-by-step explanation:
Fluid intelligence is that ability of an individual to reason in a unique way or reason abstractly to or and solve a problem.
It has been researched or proved that, this fluid intelligence is independent of learning, education or experience.
In this case, Barry will only relies on his fluid intelligence to solve the abstract word that he has never seen before. This is because, he has no experience about it and has not been taught before. So it is only his fluid intelligence that can be used.