Business Mathematics
Business math is about the calculations that come up at work every day: a discount, a margin, a tax, payback or break-even. The test checks practical arithmetic, not academic formulas.
More than 400 tasks
From simple percentages to project calculations
Explanations for every answer
With the formula you can use at work
Unlimited access
Practise with no limit on attempts
For work and interviews
Suitable from age 15 — for students and professionals
Question types
- Margin and profit. The difference between markup and margin — the usual point of confusion.
- ROI and interest. Payback on investment and growth rates.
- Break-even point. How much you need to sell to cover costs.
- Taxes and VAT. Adding and extracting tax from an amount.
- Discounts and markups. How a discount changes profit, not just the price.
- Unit economics. Calculations per customer or per unit.
- Loans and payments. Interest, payment schedules, overpayment.
Difficulty levels
- Easy — more than 100 tasks. Percentages, discounts, basic calculations.
- Medium — more than 200 tasks. Margin, ROI, unit economics.
- Hard — more than 70 tasks. Complex project calculations.
Available languages
- 7 languages: English, Русский, Español, 中文, Deutsch, Қазақша, Français
Who it is for
- Founders and managers who want to run the numbers during negotiations.
- Specialists preparing for an interview with a numerical section.
- Anyone who wants to understand margin and payback properly.
Buy test access
Amounts in other currencies are shown for reference at the Bank of Russia rate of 16.10.2026. Payment is made in rubles.
To Pay:
₽300≈ 3.58 $≈ 1613.97 ₸≈ 24.00 ¥≈ 3.20 €
