but in the conclusion there was nothing described about the achievement of the students
so i straightforward eliminated it ..
what sort of approach should i develope??
An assumption is a necessary missing premise. It is some information that is not given to you but you actually need it if you want to establish the conclusion. An assumption gives you new information i.e. it will not be present in the argument. Therefore, you cannot eliminate an option only because it gives you new info. It is actually meant to do that. You have to analyze whether the new info makes your conclusion stronger.
Say, I present this argument to you:
Every year new world records are set. Athletes must be taking performance enhancing drugs to set these records. All such drugs must be banned.
What have I assumed in my argument? I have assumed that the reason for the new records is not better training, diet and overall health.
So if you have 5 options, what could be your correct answer when you are looking for an assumption?
(A) Athletes do not get better training and diet each year.
Now just because my argument does not talk about 'training and diet', I cannot discard this option. It is an assumption I have made.
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