Explanation
Correct : a
``` * **Reasoning:** This title is concise, includes primary keywords like "Spark Ignition Engine," "Volatility Evaluation," and "Methods." It also incorporates the specific exam context "GATE AE 2025" and the brand "Examprev," making it highly relevant for users searching for exam questions and engineering topics. **Meta Description:** ```html ``` * **Reasoning:** This description expands on the title, providing more detail about the question's content. It lists the specific tests mentioned in the options (Distillation, Motor, Pensky Martens, Reid Vapor Pressure), directly addressing potential user queries. It reinforces the "spark ignition engines" and "fuel volatility" keywords and clearly targets "GATE Agriculture Engineering 2025" students, encouraging click-throughs. **Meta Keywords (Optional but good for completeness):** ```html ``` * **Reasoning:** This list includes all direct terms from the question and options, along with broader contextual keywords relevant to the subject matter (e.g., "fuel testing," "IC engines"). It also incorporates the exam details and the website name to cover various search intent possibilities.
Correct : a