I have taken Manhattan, Kaplan, Veritas,
experts global and GMAT prep.
Except the last each is skewed a bit.
Experts global didn't give me exact section scores but got me exact overall twice - 700. Manhattan doesn't give you exact same math score, it is bit difficult than actual. Veritas has similar issues.
Ideal strategy for test series: use all
experts global, Manhattan, Veritas and Kaplan in the order of closeness to actual. Save your GmatPrep for reality checks.
Ideal strategy for practice : Use GMAT club to filter questions from
official guide and GMAT prep only. Don't waste time solving non official questions.
Got 630 in 2018, scored 710 in 2019. Because I was working, I couldn't invest much time in improving my math, but improved verbal from 27 to 36.
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