Hi,

There is a reason why do you not get clarification regarding composite score. The composite score is calculated on the basis of performance in the first four sections as these sections are related to the skills required over a longer period of time in the management field.

There is no clarity regarding the number of questions which you need to attempt to get a 500+ composite score because normalizing the score has very less to do with your attempts.

All I can say is an attempt of 100+ questions on 200 with over 80%accuracy should fetch you a 80%ile which will be close to 500+.

Hope this helps!