I have studied business mathematics can i apply for DU JAT

For DU JAT, four subjects are considered- English and Mathematics, and two more subjects from the list of subjects approved by Delhi University. The list of subjects -
Arabic, Bengali, Botany, Biology/Biotech, Chemistry, Commerce/Business Studies, Computer Science/Informatics Practices, Economics, English, French, Geography, Geology, German, Hindi Italian, Legal Studies, Mathematics, Persian, Philosophy, Physics, Psychology, Sanskrit, Sociology, Spanish, Statistics, Urdu, History, Political Science, Zoology, Home Science, Punjabi and Accountancy.
So, if you studied English and Mathematics, and any two of the subjects in the list, you'll be eligible for DU JAT.
Hope this helps. Good luck.