CBSE 10th

There are many good colleges which give admission at 85 percentile.
1. IFMR.
2. TAPMI.
3. GIM – Goa.
4. Welingkar.
5. KJ Somaiya.
You can check the below mentioned link:
https://www.shiksha.com/know-the-cat-cut-offs-for-top-b-schools-article-11860-1

It is a technical problem and it may not arise at this stage. If such rules are made by your government, you will find in the selection list itself.

Students after 10th are eligible for Diploma in biotechnology engineering.

You can opt for PCB if you want to become a doctor, dentist, physiotherapist, pharmacist, agriculture, veterinary doctor or scientist.
You should opt for PCM in order to become an engineer, pharmacist, or scientist.
You should opt for CEC, HEC or MEC for commerce or administrative jobs.
You can pursue law, hotel management, or business management course after opting for any of the streams.

No, it is possible only after class 12th with PCM/PCB.

For MBA placements, companies look for 10th /12th and graduation percentages. Mostly, the requirement is 60% and above.

Revise the concepts of science and maths. Practice previous year's question papers. Try to write answers precisely, avoid verbose writing. Write in points. You can practice this way framing your answers.

You may get, it depends on which year you are taking admissions and what is the cut off that particular year. You have to work hard in order to score 95%. Be confident and attentive.
All the best!
Please feel free to revert.

Hi
I think yes but at the same time you need to be a capable student to bag a job. Companies will always ask for 10th and 12th class marks. However, it varies from company to company as to how much weight-age they give to these marks.