Strategies for attempting questions in the GATE CE exam based on the marking scheme:

1. Understand the Marking Scheme:
- Before attempting the GATE CE exam, it is important to thoroughly understand the marking scheme.
- The marking scheme typically consists of positive marking for correct answers and negative marking for incorrect answers.
- Familiarize yourself with the marks awarded for correct answers and the marks deducted for incorrect answers.

2. Prioritize Easy Questions:
- Start by attempting the questions that you find easy and are confident about.
- This will help you gain momentum and build confidence.
- It is important to manage your time effectively, so by attempting easy questions first, you can save time for more challenging ones.

3. Read the Instructions Carefully:
- Read the instructions of each question carefully to understand the requirements.
- Pay attention to any special instructions or conditions mentioned.
- This will help you avoid any mistakes due to misunderstanding the question.

4. Eliminate Options:
- Use the process of elimination to narrow down the options for multiple-choice questions.
- Cross out the options that you know are incorrect, which will increase your chances of selecting the correct answer.
- This strategy can be particularly helpful when you are unsure about the correct answer.

5. Manage Time:
- Time management is crucial in the GATE CE exam.
- Allocate a specific amount of time to each question based on its difficulty level.
- If you are finding a question too time-consuming, it may be better to skip it and come back to it later if you have time.

6. Attempt Numerical Questions:
- For numerical questions, make sure to write down all the given data and formulas before attempting the calculation.
- Double-check your calculations and units to avoid any mistakes.
- It is also important to write the final answer with the correct number of significant figures.

7. Use Approximations:
- In some cases, it may be possible to use approximations to quickly estimate the answer.
- This can be helpful when there are no options close to the exact answer or when time is limited.
- However, be cautious when using approximations and ensure that the approximation does not lead to a significant deviation from the correct answer.

8. Use Intelligent Guessing:
- If you are unsure about the answer to a question, make an educated guess.
- Eliminate obviously incorrect options and select the best possible answer based on your understanding and intuition.
- Remember to consider the negative marking and only guess when you can eliminate some options.

9. Review and Revise:
- After attempting all the questions, if time permits, go through your answers again.
- Check for any errors or mistakes in calculations.
- Review the questions that you skipped or were unsure about earlier.

10. Stay Calm and Focused:
- Lastly, it is important to stay calm and focused during the exam.
- Do not panic if you come across difficult questions.
- Maintain a positive mindset and tackle each question systematically.

Following these strategies can help you approach the GATE CE exam in a structured manner, increasing your chances of scoring well. Remember to practice previous year question papers and mock tests to familiarize yourself with the pattern and improve your speed and accuracy. Good luck!