"The correct answer is: Option 3 i.e. Modern. Key Points The word Ancient means something that belongs to the distant past, especially very old or historic. (प्राचीन) Example: The pyramids of Egypt are ancient structures that have stood for thousands of years. Modern refers to something that is current, contemporary, or belonging to the present time. (आधुनिक) Example: The city is known for its modern architecture and cutting-edge technology. Hence, we can conclude that the antonym of 'Ancient' is 'Modern.' Therefore, the correct answer is: Modern. Additional Information Here are the other options explained along with their Hindi meanings and example sentences: Old (पुराना): Something that has existed for a long time or is not new. Example: The old house was filled with memories of generations past. Aged (वृद्ध): Refers to something or someone that has grown old or has aged significantly. Example: The aged man shared stories of his youth with us. Dated (पुरानापुरातन): Something that is out of style or no longer considered modern or relevant. Example: The furniture in the house looked dated and in need of an upgrade."

Hint: The word ‘Ancient’ means something which is very old, almost prehistoric. It does not exist anymore. Complete Answer: Antonym means the opposite. So we have to choose a word which means opposite to ‘old’. The opposite of old is ‘modern.’ For example, in modern times, everyone uses a mobile phone, while in ancient times, people used to communicate with each other via letters. All the other options, which are ‘old’, ‘antique’ and ‘prehistoric’, are all similar to the meaning of ‘ancient’. Thus, the correct answer is option c.Option a, which is ‘old’, is similar in meaning to ‘ancient’. It is a synonym of ‘ancient’ and not an antonym. Thus, it is incorrect.Option b is also a synonym of ‘ancient’. Antique means something which is so old that it is precious since only a few of its kind exists. Thus, option b is also a synonym and hence, incorrect.Option d, ‘prehistoric’, means something which is so old that even history records have not recorded it. For example, many archeologists find prehistoric fossils. ‘Prehistoric’ is also a synonym of ‘ancient’ and is thus a wrong answer.Note: When more than one option seems to be the correct answer, the meaning of the word which is closer to the opposite of the meaning of the given word should be selected. Therefore, all the options should be carefully assessed.