Hello student

hope you are doing well and safe. With reference to your query,  I would glad inform you that you can easily score 85 percentile within the preparation of cat in 3 months . You just need to foucs on easy topics like quantative ,apitude ,communication skills from which you are familiar before . I would advise you to go thrrough 10 years thoroughly and attempt less numbers of question with high accuracy

Hope you found this answer helpful. Good luck for your future