B.Sc Mathematics

Well, every college has a cutoff list on the basis of 12th percentage for admissions after you fill up the prospectus.

The aggregate is 60% in 10+2. You should also have maths as your subject in 10+2.

DU
Mumbai University
Christ, Bangalore
Stella Maris
Fergusson, Pune
BHU.

It totally depends on your interest, but if you are looking for job opportunities after graduation, go for B.Sc Statistics.

Please elaborate your question as which Vivekananda college are you talking about, Delhi University's Vivekananda or anyone else?

Hi Bhavik,No there is no such entrance exam for the course. Candidate must have passed 10+2 with the following subjects:
1. Mathematics 2. Physics 3. Chemistry 4. Any other
On the basis of merit followed by interview.

The admissions are open from today, you may refer to the link below:
http://oucet.admissions.com/OUCET/OUCET_HomePage.aspx

Check on the below list of colleges-
Atal Bihar Vajpayee Indian Institute of Information Technology and Management
B R Nahata Smriti Sansthan Trust
Government Shyamlal Pandviya College
government Maharaja PG College
R K D F School of Engineering
Shree Institute of Science and Technology
Barkatullah University
Sarojini Nadu Government Girls Post Graduate College
Government Motilal Vigyan Mahavidyalaya
Holkar Science College
Hitkarini College of Engineering and Technology
International Institute of Professional Studies
Devi Ahilya Vishwavidyalaya.