Given below are a few questions with three sentences in each of them which may or may not contain errors in them. You have to find the sentence which has or have errors in them and mark your answers accordingly. If none of the sentence contains errors then choose option E as your answer.
A. Not only the play but also the actors gave an outstanding and memorable performance.
B. Despite being a difficult course, he found it a rewarding and a beneficial learning experience.
C. The dress she wore to the party was a beautiful, elegant, and an expensive gown.  

Solution A. There is no error in this sentence. B. The error in this sentence is "rewarding and a beneficial." When using multiple adjectives before a noun, the same article should be used for each adjective. The correct form is "a rewarding and beneficial learning experience." Corrected Sentence B: "Despite being a difficult course, he found it a rewarding and beneficial learning experience." C. The error in this sentence is "beautiful, elegant, and an expensive." When using multiple adjectives before a noun, the same article should be used for each adjective. The correct form is "a beautiful, elegant, and expensive gown." Corrected Sentence C: "The dress she wore to the party was a beautiful, elegant, and expensive gown."