Every Sunday, there will be 10 standardised questions accessible from 6am to 10pm.
On Challenge main page, navigate to Sunday Mini Challenge box, click Start to answer all questions and Submit.
There are certain Sundays with NO Mini Challenges in Singapore, which for 2019 are:
- 30th December 2018;
- 24th March 2019;
- 30th June 2019;
- 15th September 2019.