For an enquiry letter about a spoken English course, Which mistake should be avoided?

B. using an informal or unclear tone where clarity is needed / जहाँ clarity चाहिए वहाँ informal या unclear tone रखना

Step 1: Identify the concept: writing skill: letter of enquiry. Step 2: Wrong tone and unclear details can reduce marks in writing tasks. Step 3: Exam tip: In letter, always check audience, purpose and format.

Step 1: यहाँ writing skill: letter of enquiry पहचानना है। Step 2: गलत tone और unclear details से marks कट सकते हैं। Step 3: याद रखें: letter में audience और purpose हमेशा याद रखें।