If your interested in commerce and Maths then you can pursue XI and XII in commerce stream like commerce with Business Maths

After 12th, you can pursue for the following course like --

B.com Bachelor of commerce
B.B.A bachelor of business administration
B.B.M bachelor of bank management
B.C.A bachelor of computer application
C.A Charted Accountant
I.C.W.A Institute of Cost and Work Accountancy
I.C.S.I Institute of Company Secretary of India
I.C.F.A Institute of Charted Financial Analyst
Certificate Program in Insurance (CPI)
Certified Industrial Accountant
Diploma in Banking
Diploma In Equity Arbitrage Trading & Operation
Diploma in Financial Accounting
Diploma In Stock Analysis & Portfolio Management