Complex sentence: This test will help determine the individual rankings of the scorers, and in addition, it acts as a guideline to select Singaporean or Permanent Resident participants for the National Team training team, whereby a further six will then be selected for the International Mathematical Olympiad.
Split into simpler sentences: This test will help determine the individual rankings of the scorers. In addition, it serves as a purpose to select participants who are Singaporeans or Permanent Residents for the National Team training team whereby a further six will be selected for the International Mathematical Olympiad.