shankar35619 - Except for those scoring in the high 700s, everyone gets a lot of problems wrong on CATs. The important thing is to missing challenging problems and scoring high. Are you using timing pressures for your practice? That is crucial for constantly building your ability to perform well on problems in a realistic way. It sounds like you may also just need more practice on the strategies you have learned. The OG problems are not very tough, so reaching 90-95% accuracy would ensure higher CAT scores.
avantiradke - OG 13
@ 83% accuracy is solid if you are using appropriate timing for the problem type. But completing half of the OG 13
in 7 days is a poor way to study. You should check out my guide to self-study: GMAT Clarity (amazon link)
. It will save you a lot of time and help you score higher.