Ausbildung Aptitude Test (Einstellungstest) · Maths for Applicants

Proportion and Percentages

42 practice questions, each with the answer and an explanation.

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Random questions from this topic, one at a time. You see the answer and the explanation straight after each one.

All 42 questions

  1. What is the mean of the numbers 91, 50, 46, 93, 95?
  2. What is the simple interest on 5000 euros at 2 % per year over 3 years?
  3. Calculate 3/8 + 1/4.
  4. Calculate 2/5 + 1/8.
  5. A train covers 300 km in 5 hours. What is its average speed?
  6. A device costs 400 euros without VAT. VAT is 19 %. What is the price including VAT?
  7. What is the mean of the numbers 81, 73, 87, 87, 87?
  8. A train covers 90 km in 1.5 hours. What is its average speed?
  9. 5 workers need 12 days to finish a job. How many days do 10 workers need at the same pace?
  10. 3 workers need 20 days to finish a job. How many days do 5 workers need at the same pace?
  11. What is 12 % of 450 euros?
  12. A device costs 1200 euros without VAT. VAT is 19 %. What is the price including VAT?
  13. A train covers 60 km in 0.75 hours. What is its average speed?
  14. A device costs 100 euros without VAT. VAT is 19 %. What is the price including VAT?
  15. 3 machines produce 18 parts per hour. How many parts do 5 machines produce per hour, working at the same rate?
  16. What is the simple interest on 1200 euros at 4 % per year over 2 years?
  17. 8 workers need 9 days to finish a job. How many days do 6 workers need at the same pace?
  18. 4 workers need 12 days to finish a job. How many days do 6 workers need at the same pace?
  19. Calculate 2/5 + 1/6.
  20. A jacket costs 240 euros. It is reduced by 30 %. What is the new price?
  21. What is the simple interest on 800 euros at 5 % per year over 4 years?
  22. 6 workers need 10 days to finish a job. How many days do 5 workers need at the same pace?
  23. Calculate 1/2 + 1/8.
  24. Calculate 3/4 + 1/4.
  25. 4 machines produce 12 parts per hour. How many parts do 6 machines produce per hour, working at the same rate?
  26. What is 35 % of 80 euros?
  27. 5 machines produce 20 parts per hour. How many parts do 8 machines produce per hour, working at the same rate?
  28. 10 workers need 6 days to finish a job. How many days do 4 workers need at the same pace?
  29. 6 machines produce 30 parts per hour. How many parts do 9 machines produce per hour, working at the same rate?
  30. A device costs 250 euros without VAT. VAT is 19 %. What is the price including VAT?
  31. A train covers 240 km in 4 hours. What is its average speed?
  32. 8 machines produce 40 parts per hour. How many parts do 12 machines produce per hour, working at the same rate?
  33. A device costs 80 euros without VAT. VAT is 19 %. What is the price including VAT?
  34. What is the mean of the numbers 87, 64, 76, 88, 85?
  35. Calculate 1/2 + 1/5.
  36. What is 5 % of 320 euros?
  37. A jacket costs 80 euros. It is reduced by 25 %. What is the new price?
  38. 2 machines produce 14 parts per hour. How many parts do 7 machines produce per hour, working at the same rate?
  39. What is the mean of the numbers 76, 56, 58, 73, 52?
  40. What is the mean of the numbers 42, 85, 58, 76, 59?
  41. What is 45 % of 60 euros?
  42. A train covers 180 km in 2.5 hours. What is its average speed?

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