The Institute of Chartered Accountants of India (ICAI) has released the CA Foundation 2020 sample papers. There are many websites available on internet like Embibe, Cawizard etc. from where you can download the papers. Students can also download the whole study material of CA exam like revision test papers, mock tests, syllabus etc. from its official website. You can also refer to the link given below to download the papers for practice.
Hope this helps.