Could you please list the source of this question?

this is a mgmat question

https://www.manhattangmat.com/forums/eve ... t3461.html

So here is my reasoning for choosing C

Look at the premises -
1. Everyone who has graduated from TopNotch High School has an intelligence quotient (IQ) of over 120
2. Most students with an IQ of over 120 and all students with an IQ of over 150 who apply to one or more Ivy League universities are accepted to at least one of them.

I actually chose A but there is an assumption here that students are accepted even without applying - and is hence not valid as Premise 2 clearly states 'who apply'
B is correct but does not use BOTH the premises given and is hence not the BEST answer. It only concludes using Premise 1
D states assumes the possibility of there being one student who applied to just one college and got in - We dont have info to confirm this. Also, if one batch of students passed with the highest IQ of 130, and if all of them applied to colleges where they wanted an IQ of 150 then none would have got through. Lot of assumptions so not the right answer
E is true but only uses Premise 2

Now C is the best choice and the reasons are
1. It uses both Premise 1 - as he has 130, there is a good chance to have studied in TopNotch and also Premise 2 - as he has 130, he has a chance of getting into Ivy League school
2. Use of the keyword applied adds strength to C being right.
3. There is no use of extremes as Must, should etc and I just read this evening from CR guide about the use of extremes. Conclusions in GMAT avoid use of extremes at all costs.

I have to admit - this is an impossibly difficult argument as it takes absolutely too long to narrow down a single answer. I had to analyse why it is C and not the other 4 which alone took 10mins!!!

KP
2.