OAT destroyer vs. Crack OAT. QR section in OAT destroyer vs. MATH Destroyer

[sndp]

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Can anyone who has done the OAT tell me which material was more effective? Crack the OAT or OAT Destroyer? I heard the Destroyer was a lot harder than the actual test..I currently have the Kaplan material but it's not enough.

Also is the QR section of the OAT destroyer as good as the MATH Destroyer?
I cant really afford all of them, trying to see which option is best.
Thank you

 

[jonmfong]

Don't get Math destroyer, I heard its overkill and has alot of parts that you will never see on the OAT. Cracking the OAT was really go for physics but not much else. I like OAT Destroyer for Ochem most but it will challenge you in all the sections except RC so I'd recommend it.