Državna Matura (Montenegro) · Mathematics (State Matura Montenegro)

Percentages, ratios and averages

15 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 15 questions

  1. A price of 120 is decreased by 25% and the new price is then reduced by 20%. What is the final price?
  2. A jacket costs 300 euros. It is sold at a 20% discount. What is the sale price in euros?
  3. 25 marbles are divided between two children in the ratio 1:4. How many marbles does the child with the larger share get?
  4. A price of 400 is increased by 50% and the new price is then reduced by 20%. What is the final price?
  5. A jacket costs 60 euros. It is sold at a 20% discount. What is the sale price in euros?
  6. 25 marbles are divided between two children in the ratio 2:3. How many marbles does the child with the larger share get?
  7. 3 liters of a 20% salt solution are mixed with 2 liters of a 40% salt solution. What is the salt concentration of the mixture?
  8. A price of 400 is increased by 20% and the new price is then reduced by 10%. What is the final price?
  9. A jacket costs 240 euros. It is sold at a 30% discount. What is the sale price in euros?
  10. 99 marbles are divided between two children in the ratio 4:7. How many marbles does the child with the larger share get?
  11. A student's scores on 3 tests are 75, 75, 70. What score is needed on the next test for an average of 70 over all 4 tests?
  12. 2 liters of a 30% salt solution are mixed with 3 liters of a 60% salt solution. What is the salt concentration of the mixture?
  13. A price of 50 is increased by 40% and the new price is then reduced by 50%. What is the final price?
  14. 45 marbles are divided between two children in the ratio 1:4. How many marbles does the child with the larger share get?
  15. A student's scores on 4 tests are 65, 70, 60, 90. What score is needed on the next test for an average of 70 over all 5 tests?

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