economics
in the exam of cyber olympiad
http://pdfdatabase.com/cbse-class-7th-question-paper-maths.html
no fifth std
Visit Olympiad Helper site. They have 20 sample papers.
I'm sorry, but it is not possible to provide a sample of a specific National Science Olympiad question paper as they are copyrighted materials owned by the organization that conducts the Olympiad. However, you may be able to find sample questions or past papers on the official website of the National Science Olympiad or through authorized educational resources. It is important to respect copyright laws and use official resources for preparation.
If you are looking for class 4,5 and 6, you can use ExamHelp website for generating random question papers for Maths Olympiad. Questions on this site never repeat, so you can generate as many practice papers you want.
Just go on site sofworld.org
On topperlearning you can find sample paper for Class 7 . Below is URL topperlearning.com/learn/sample-papers/cbse/class-7/b101c6e2?ps1
Yes. You can get a sample for the paper Punjab Board class 10 examination.
NTSE previous year paper and sample paper available on Aryan Classes website.
English I
You can prepare for Maths and Science Olympiad by logging / taking subscription in the Reflective Learn website. They provide sample and model test paper and prepare you to competitive exams like NSO, IMO and other Olympiad exams.