1. 
1.None but the rich can afford air travel.
2.Some of those who travel by air become sick.
3.Some of those who become sick require treatment.


A. All the rich persons travel by air.
B. Those who travel by air become sick.
C. All the rich persons become sick.
D. All those who travel by air are rich.

Answer: Option C

Explanation:

No answer description available for this question.