Dear aspirant hope you are doing well. It's difficult to predict because cut keep changing every year depends on various factors.

1. No of seat available.

2. Difficulty level of exam.

3. No of student appear in exam.

As your rank is 40k  in Ap eamcet exam.your rank would lies in between 50 – 59 . You can check out the same at our site. Link is given below..

https://engineering.careers360.com/articles/ap-eamcet-marks-vs-rank/amp

According to your rank list of colleges are given below..

• Prakasam Engineering College, Prakasam : B.Tech Electronics and Communication Engineering closing rank 50764
• Madanapalle Institute of Technology and Science, Madanapalle  : B.Tech Electrical and Electronics Engineering closing rank 76834

You can also use Andhrapradesh Eamcet college predictor tool to know the list of college, you have chances of getting admission according to your score, category, state and rank. Link is given below.

Hope it's helpful thank you