DSST® practice test

Free DSST Business Mathematics Practice Test (2026)

This is a set of 25 original practice questions that follow the official DSST Business Mathematics content outline and its topic weights, each with a short explanation. Answer all 25, then read the explanations to see which topics need more study.

  • 25 questions
  • 5 topics from the official outline
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The practice test

25 questions

Question 1 of 25A $5,000 note carries 6% simple interest for 9 months. How much interest is due at maturity?
Question 2 of 25A product sells for $25 per unit, costs $10 per unit to make, and the business has $12,000 in fixed costs. How many units must it sell to break even?
Question 3 of 25A project will earn $50,000 with probability 0.3, earn $10,000 with probability 0.5, or lose $20,000 with probability 0.2. What is its expected value?
Question 4 of 25An invoice for $2,400 is dated March 3 with terms 2/10, n/30. The buyer pays on March 12. How much does the buyer pay?
Question 5 of 25What is the effective annual rate of a loan with a nominal rate of 12% compounded monthly?
Question 6 of 25A retailer buys a lamp for $60 and wants a markup of 25% based on the selling price. What should the selling price be?
Question 7 of 25The price of a part rises from $80 to $92. What is the percent increase?
Question 8 of 25A machine costs $50,000, has a salvage value of $5,000 and a useful life of 5 years. Using straight-line depreciation, what is its book value at the end of year 3?
Question 9 of 25A theater sold 50 tickets for a total of $520. Adult tickets cost $12 and child tickets cost $8. How many adult tickets were sold?
Question 10 of 25A store bought 200 units at $4, 300 units at $5 and 500 units at $6. What is the weighted average cost per unit?
Question 11 of 25A sofa lists at $500 with a chain (series) trade discount of 20/10. What is the net price?
Question 12 of 25$10,000 is invested at 8% interest compounded quarterly. What is its value after 2 years?
Question 13 of 25A worker earns $18 per hour, with time-and-a-half for hours over 40 in a week. What is her gross pay for a 46-hour week?
Question 14 of 25A company's monthly profit is P(x) = −2x² + 120x − 1,000, where x is the number of units sold. How many units maximize profit?
Question 15 of 25A $120 jacket is marked down 25%, and then a further 20% is taken off the reduced price. What is the final price?
Question 16 of 25Two products have the same mean weekly sales. Product A's sales have a standard deviation of 2 units and product B's a standard deviation of 8 units. Which statement is true?
Question 17 of 25A machine costs $20,000, has a 5-year life and a $2,000 salvage value. Using double-declining-balance depreciation, what is the depreciation expense in year 2?
Question 18 of 25An employee's weekly gross pay is $1,200. Social Security tax is 6.2% and Medicare tax is 1.45%. How much in total is withheld for these two FICA taxes?
Question 19 of 25What is the present value of $1,000 received at the end of each year for 3 years if money earns 5% per year?
Question 20 of 25A store's weekly sales are normally distributed with a mean of $500 and a standard deviation of $40. About what percent of weeks have sales between $460 and $540?
Question 21 of 25A home's market value is $250,000. It is assessed at 40% of market value, and the tax rate is $28 per $1,000 of assessed value. What is the annual property tax?
Question 22 of 25A salesperson earns $400 per week plus a 5% commission on sales. What weekly sales are needed to earn $1,000?
Question 23 of 25Furniture priced at $2,000 is bought with a $400 down payment and 18 monthly payments of $100. What is the finance charge?
Question 24 of 25A $150,000 mortgage at 6% annual interest has monthly payments of $899.33. How much of the first payment reduces the principal?
Question 25 of 25The consumer price index rose from 200 to 230. What salary would someone who earned $40,000 need now to keep the same purchasing power?

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