Let's analyze the question to determine the correct grammatical usage in the given sentence.
Given Sentence: You are a great deal more sociable than him.
The sentence contains a comparative structure, where it compares "You" with "him" in terms of sociability.
Let's evaluate the options:
Therefore, the correct answer is "more sociable than he is".
If the price of a commodity increases by 25%, by what percentage should the consumption be reduced to keep the expenditure the same?