If brave : valiant , then slick:
A
coarse
B
rough
C
tight
D
greasy
Correct Answer: greasy
If brave is to valiant, then the relationship between the two words is that of synonym.Therefore, for the word "stick", we need to find a synonym. Among the given options, the word that is a synonym of "stick" is "rough".So the correct option is খ) rough.