Question

What is grammatically incorrect with the following sentence?

This question is very difficult to workout.

a. The suffix "out" is prepositional, and you cannot end a sentence with a preposition.

b. There is an incorrect choice of word: "hard" should be used instead of "difficult".

c. The phrasal verb "work out" should be two words, not one.

d. There is nothing grammatically incorrect with this sentence.

Answer 1

c

Step-by-step explanation:

"workout" is a noun that means a session of physical activity. Therefore, it should be two words not one in order to express that the question is difficult to figure out/solve.