There are many different strategies and you should use the one you feel comfortable with.
- Always read the instructions carefully and make sure you know if it is a TRUE/FALSE/NOT GIVEN or YES/NO/NOT GIVEN question.
- Ignore anything you already know about the topic and don’t make assumptions. Base your answers on the text only.
- Watch out for qualifying words such as "all, often, some" or "always".
- Don’t look for words that exactly match those in the statements. You should also look for synonyms. Remember that you are matching meaning, not words.
- Focus on the statement and then carefully read the matching part of the text to establish if it is true or false. Remember the meaning should exactly match that of the statement if it is true.
- Underline the words that give you the answer, this will help you focus and you can check back later. Again, be careful there are no qualifying words in the text.
- If you can’t find the answer, mark it as ‘not given’ and move on to the next question. If you are really unsure or can’t find the answer, mark it as ‘not given’ too.
You can practice more about these types of question at:
http://mini-ielts.com/reading?search=&q7=on&q8=on&count=&sort=date-desc