Answer (1)

Hi at 66 marks in jee mains it will be around 84 to 91 percentile  if we see the trend in 2021 marks vs percentile in jee mains but this year it may change as it depends on highest marks scored and no. of students appeared in your slot

you can use percentile predictor of career 360

also here is previous year marks vs percentile

https://engineering.careers360.com/articles/jee-main-marks-vs-percentile

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