You can still improvise your answers to get further increments. Simple funda is : write detailed replies with all the required information. Questioner must not see other answer after reading yours. That means your answer should be one stop solution. All the best.
Yes. You can answer any query which you feel confident but, try to be unique in answering such questions.
Action Taken.
Improve your answers. Select the topics which will have good scope for writing detailed replies.
Point evaluation will be done on scheduled dates. Till then post good answers patiently.
Participate more actively to stand in a good position.