You are given a question followed by two statements numbered I and II. You have to decide whether the data provided on the statements are sufficient to answer the question.What is the value of 'x'?Statements :I. x + 2y = 6II. 3x + 6y = 18

• A. Statement I alone is sufficient
• B. Both statements I and II together are not sufficient
• C. Both statements I and II together are necessary
• D. Statement II alone is sufficient