Question

explain this if you know then only answer it is not compulsory to write sry i don't know.​

Answer 1

Step-by-step explanation:

As per the CBSE board, the proper way of answering it is as follows:

(Consider ‘ | ‘ as your answer sheet’s left side margin)

Format:

(MCQ question number as given in the question paper) | (correct answer number as given in the question paper) complete answer in text.

You are not supposed to write the MCQ question. Explanation for your answer is not expected. No negative marking for wrong attempt.