There are many sources to collect the questions and answers for the Secondary school education. For the subject, Mathematics, you can get the questions and answers in the following resources.
1. The Tamil spider also having question bank for various subjects . In which, Many TSR members are putting many questions regularly on various subjects. So, you can get the questions through the Tamil Spider also.
2. The Daily Tamil News Papers like DINAKARAN,DINAMALAR,DINATHANTHI also publishing the questions and answers for the various subjects in Secondary level Exams.
3. Apart from this, you can get the questions and answers through some websites for having Question bank.