The correct answer for blank (iii) is "meant" (option B).

Explanation:
In this sentence, we can see that the authorities settled something for the undergraduate courses. To complete the sentence, we need to use a verb form that agrees with the subject "authorities" and is in the past tense. The verb "settle" needs to be in the past tense form.

When using the verb "settle" in the past tense, we use "settled." However, in this sentence, we need to use the past tense form of "settle" in the past participle form, which is "meant."

Let's break down the sentence and understand each part:

Authorities settled (i) ............. 32 pages in (ii) ............. next answer book (iii) ............. for the undergraduate courses.

(i) There is a missing word here that we need to determine.
(ii) There is a missing word here that we need to determine.
(iii) We need to find the appropriate word for this blank.

To fill in blank (i), we need a verb that shows what the authorities did with the 32 pages. Without any context, it is difficult to determine the appropriate word. Therefore, we cannot provide a definitive answer for blank (i).

To fill in blank (ii), we need a preposition that shows the location of the next answer book in relation to the 32 pages. Again, without any context, it is difficult to determine the appropriate word. Therefore, we cannot provide a definitive answer for blank (ii).

To fill in blank (iii), we need a verb form that agrees with the subject "authorities" and is in the past tense. The verb "settle" needs to be in the past tense form. The past tense form of "settle" is "settled," but in this sentence, we need to use the past tense form of "settle" in the past participle form, which is "meant." Therefore, the correct word for blank (iii) is "meant" (option B).

In conclusion, the appropriate word for blank (iii) is "meant" because it is the past participle form of the verb "settle" and agrees with the subject "authorities" in the sentence.

Meant is the past tense and past participle of mean adjective. You use meant to to say that something or someone was intended to be or do a particular thing, especially when they have failed to be or do it.