For a letter to the editor about noise pollution, Which detail is most necessary?

B. problem, effect and practical suggestion

Step 1: Identify the concept: writing skill: letter to editor. Step 2: The task needs problem, effect and practical suggestion, so the reader gets complete information. Step 3: Exam tip: In letter, always check audience, purpose and format.

Step 1: यहाँ writing skill: letter to editor पहचानना है। Step 2: समस्या, प्रभाव और सुझाव लिखना चाहिए Step 3: याद रखें: letter में audience और purpose हमेशा याद रखें।