Select the word in this excerpt that means an amount left over or an excess

What is the probability of getting a license plate with 123 abc or abc 123?

The difference between a guess and an inference is a. an inference is not supported by evidence while a guess is. c. a guess and an inference are the same thing. b. a guess is not supported by evidence while an inference is. d. none of the above

Which two sentences in this excerpt from the time machine by h.g. wells suggest that the morlocks possesses a degree of intelligence comparable to that of humans