Business Mathematics For B.Com Ist, IInd Semester of Shri Agrasen Kanya PG College Varanasi & B.Com (Hons.) Ist Year of Mahatma Jyotiba Phule Rohilkhand University & B.Com IIIrd Year of Bundelkhand University, Pt. Deendayal Upadhyay Gorakhpur University, Siddharth University & B.Com (Hons.) IInd Sem