Business Mathematics

Daffodil International University Faculty of Business & Entrepreneurship Department of Accounting Program: BBA in Accounting Semester: Fall-2026 Examination: Mid-term Time: 01 Hour 30 Minutes Full Marks: 25 Course Code: 0541-201 Course Title: Business Mathematics Section: 5A Teacher's Initial: AKC Answer the following questions: 1 Define Square Matrix & Identity Matrix. Describe the Addition and Multiplication of Matrices with example. 2+3 CLO-01 Level 1 2 (a) Compute, the Interest rate compounded quarterly will a sum of money be triple in 11 years. 2.5 CLO-02 Level 3 (b) At 9.50% compounded monthly, Compute how many months will it take tk.12,000 to grow to tk.22,000? 2.5 CLO-02 Level 3 3 (a) Saki borrowed $3,50,000 from a bank to buy a motor-bike at 11.50% interest compounded semi-annually. The debt is to be amortized by semi-annual payments each over a period of two years. > Calculate the amount of each payment > Calculate the Interest. > Demonstrate the Amortization Schedule Table 2.5 CLO-02 Level 3 (b) New venture corporation has decided to transfer a sum of money to a reserve account at the end of each month to accumulate $10,00,000 to be used to replace machinery 10 years from now. Calculate How much should be transferred every month if 9.50% interest compounded monthly is credited to the reserve? 2.5 CLO-02 Level 3 4 The total cost C of producing x units of a company is given by, C = 28000 + 80x and the Revenue function is R= 120x. If 1200 units are made and sold, then Calculate the following: a) The Variable cost and Total cost? b) The average cost per unit? c) The net Profit or Loss? d) The Break-even quantity? e) Chart the Break Even Diagram. 05 CLO-02 Level 3 5 A company expects fixed cost of $ 4000. Margin is to be 20% of retail and there is no other Variable Cost in addition to cost of goods. Then Calculate the following: a) The equation relating Cost and Sales. Also Write the Profit equation. b) The net profit if sales are $ 12,000? c) The net profit if sales are $ 45,000? d) The breakeven sales volume. e) Draw the Break Even Diagram. 05 CLO-02 Level 3 TAKE CARE & BEST!!!