Conversational French Quiz: Numbers Prices And Quantities
19 questions · exam conditions
0:00
Numbers Prices And QuantitiesQuestion 1 of 19

Pierre annonce: «La population a diminué de huit virgule trois pour cent.» Si elle était de 15 600 habitants, combien y en a-t-il maintenant?

15 183 habitants
14 896 habitants
14 304 habitants
14 305 habitants
← Back to quizzes

Conversational French Quiz

Conversational French Quiz: Numbers Prices And Quantities

Practice Numbers Prices And Quantities in Conversational French with focused quiz questions that help you check what you know, review explanations, and build confidence with test-style prompts.

What this quiz covers

This quiz focuses on Numbers Prices And Quantities, giving you a quick way to practice the rules, question types, and explanations that matter most for Conversational French.

How to use this quiz

Try each quiz question before looking at the correct answer. Use the explanations to review missed ideas, then come back to similar questions until the pattern feels familiar.

All questions

Question 1

Pierre annonce: «La population a diminué de huit virgule trois pour cent.» Si elle était de 15 600 habitants, combien y en a-t-il maintenant?

  1. 15 183 habitants
  2. 14 896 habitants
  3. 14 304 habitants
  4. 14 305 habitants (correct answer)
Explanation: This question tests your ability to calculate percentage decreases in French, a common skill needed for understanding demographic and statistical information in conversational contexts. When Pierre says the population "a diminué de huit virgule trois pour cent" (decreased by 8.3 percent), you need to calculate what remains after removing 8.3% from the original 15,600 inhabitants. To solve this: First, find 8.3% of 15,600 by multiplying 15,600×0.083=1,294.815,600 \times 0.083 = 1,294.8. Since we're dealing with people, round this to 1,295. Then subtract this decrease from the original population: 15,600−1,295=14,30515,600 - 1,295 = 14,305 inhabitants. Looking at the wrong answers: Choice A (15,183) represents a much smaller decrease of only about 2.7%, suggesting confusion with the decimal placement in the percentage. Choice B (14,896) reflects a decrease of approximately 4.5%, which might result from miscalculating 8.3% as 704 instead of 1,295. Choice C (14,304) is very close to the correct answer but represents a calculation error—perhaps rounding 1,294.8 to 1,296 instead of 1,295. The correct answer is D (14,305 habitants). Study tip: When working with French percentage problems, remember that "virgule" means decimal point, and "diminué de" means you subtract the calculated percentage from the original number. Always double-check your percentage calculation (multiply by the decimal form) before subtracting from the original value.

Question 2

Sophie annonce: «Notre chiffre d'affaires a augmenté de quatre-vingts pour cent.» Si le chiffre d'affaires était de 250 000€, quel est le nouveau montant?

  1. 330 000€
  2. 450 000€ (correct answer)
  3. 200 000€
  4. 420 000€
Explanation: Augmentation de 80% = multiplier par 1,80. 250 000 × 1,80 = 450 000€. A représente +32%. C représente -20% (erreur de sens). D représente +68% (erreur de calcul).

Question 3

Paul compare les prix de l'essence dans trois stations: Station A: 1,489€/litre, Station B: 1,52€/litre, Station C: 1,471€/litre. Il doit faire le plein de 45 litres.

Quelle sera la différence de prix entre la station la plus chère et la moins chère pour son plein?

  1. 2,20€ (correct answer)
  2. 2,81€
  3. 1,95€
  4. 2,47€
Explanation: Station la plus chère: B (1,52€), la moins chère: C (1,471€). Différence par litre: 1,52 - 1,471 = 0,049€. Pour 45L: 0,049 × 45 = 2,205€ ≈ 2,20€. Les autres options représentent des erreurs de calcul ou de comparaison.

Question 4

Thomas achète 3,2 kg de viande à 24,50€ le kilo. Le boucher lui fait une remise de 12% sur le total.

Combien Thomas paie-t-il finalement?

  1. 69,04€ (correct answer)
  2. 78,40€
  3. 68,99€
  4. 70,56€
Explanation: Prix initial: 3,2 × 24,50 = 78,40€. Avec remise 12%: 78,40 × 0,88 = 68,99€ ≈ 69,04€ (arrondi). B oublie la remise. C est le calcul exact avant arrondi. D applique une remise de 10% environ.

Question 5

Marc dit: «Le loyer représente trente-sept virgule cinq pour cent de mon salaire.» Si son salaire est de 2 400€, quel est son loyer?

  1. 888€
  2. 900€ (correct answer)
  3. 912€
  4. 876€
Explanation: 37,5% de 2 400€ = 2 400 × 0,375 = 900€. A confond avec 37%. C confond avec 38%. D confond avec 36,5%.

Question 6

Sophie dit: «Le prix a augmenté de treize euros et quarante-cinq centimes.» Si le prix initial était de 67,80€, quel est le nouveau prix?

  1. 81,35€
  2. 80,35€
  3. 81,25€ (correct answer)
  4. 82,15€
Explanation: When you encounter French math word problems involving money, focus on identifying the operation and handling decimal calculations carefully with French number expressions. Sophie states that the price increased by "treize euros et quarante-cinq centimes" (thirteen euros and forty-five cents). To find the new price, you need to add this increase to the original price of 67,80€. The calculation is: 67,80€+13,45€=81,25€67,80€ + 13,45€ = 81,25€ Breaking this down: 67,80 + 13,45 = 81,25. You can verify by adding the euros first (67 + 13 = 80), then the centimes (80 + 45 = 125 centimes = 1,25€), giving you 80€ + 1,25€ = 81,25€. Looking at the wrong answers: Option A (81,35€) results from a calculation error, likely confusing the 45 centimes as 55 centimes. Option B (80,35€) suggests subtracting part of the increase instead of adding it fully, or miscalculating the decimal addition. Option D (82,15€) involves errors in both the euro and centime calculations, possibly from misreading the French numbers or making arithmetic mistakes. The correct answer is C) 81,25€. For French math problems involving money, always write out the numbers in decimal form first (treize euros et quarante-cinq centimes = 13,45€), then perform your calculation methodically. Remember that French uses commas for decimal points, and practice converting spoken French numbers to numerical form to avoid costly mistakes.

Question 7

Pierre dit: «J'ai acheté trois cent quarante-deux euros d'essence ce mois-ci.» Comment écrit-on ce montant en chiffres?

  1. 342,00€ (correct answer)
  2. 3 042,00€
  3. 34,20€
  4. 3 420,00€
Explanation: «Trois cent quarante-deux euros» = 342€. B confond avec «trois mille quarante-deux». C confond avec «trente-quatre euros vingt». D confond avec «trois mille quatre cent vingt euros».

Question 8

Anne dit: «Le prix a baissé de quinze virgule sept pour cent.» Si l'article coûtait 280€, quel est son nouveau prix?

  1. 236,04€ (correct answer)
  2. 236,80€
  3. 243,20€
  4. 324,96€
Explanation: Baisse de 15,7% = multiplier par (1 - 0,157) = 0,843. 280 × 0,843 = 236,04€. B confond avec une baisse légèrement différente. C confond avec une baisse plus faible. D représente une hausse de 15,7% au lieu d'une baisse.

Question 9

Une promotion annonce: «Achetez 2 articles, le 3ème à moitié prix!» Claire choisit trois pulls coûtant respectivement 45€, 38€ et 52€.

Combien paiera-t-elle au total avec cette promotion?

  1. 112,50€
  2. 116,00€ (correct answer)
  3. 113,50€
  4. 119,00€
Explanation: Le 3ème article (le moins cher: 38€) est à moitié prix: 19€. Total: 45 + 52 + 19 = 116€. A applique la réduction au plus cher. C calcule mal la réduction. D ne tient pas compte de la promotion.

Question 10

Sarah dit: «J'ai économisé quatre-vingt-douze euros et soixante centimes ce mois-ci.» Comment écrit-on cette somme?

  1. 92,06€
  2. 90,62€
  3. 92,60€ (correct answer)
  4. 96,20€
Explanation: This question tests your ability to convert spoken French numbers into written numerical form, specifically dealing with decimal amounts in euros. When Sarah says "quatre-vingt-douze euros et soixante centimes," you need to break this down systematically. "Quatre-vingt-douze" means 92 (literally "four-twenty-twelve" in French counting). "Soixante centimes" means 60 centimes. Since there are 100 centimes in a euro, 60 centimes equals 0,60€. Therefore, the total is 92,60€. Looking at the wrong answers: Choice A (92,06€) represents a common error where someone might confuse the order and write 6 centimes instead of 60 centimes. Choice B (90,62€) contains two mistakes - misinterpreting "quatre-vingt-douze" as 90 instead of 92, and again confusing the centimes as 62 instead of 60. Choice D (96,20€) shows confusion with the French number system, possibly mishearing "quatre-vingt-douze" and completely misunderstanding the centimes portion. Remember that French uses commas instead of decimal points for currency (unlike English), so 60 centimes appears as ",60" not ".60". When converting spoken French numbers to written form, always break down compound numbers step by step, and remember that "centimes" are hundredths of a euro. Practice listening to French numbers regularly, as the quatre-vingt (eighty) system can be particularly tricky for non-native speakers.

Question 11

Un magasin vend des pommes par lots de 1,5 kg à 4,20€ le lot, ou au détail à 3,10€ le kilo.

Pour acheter 4,5 kg de pommes, quelle est la différence de prix entre les deux options?

  1. 1,35€ moins cher au détail
  2. 0,75€ moins cher en lots
  3. 1,95€ moins cher au détail
  4. 1,35€ moins cher en lots (correct answer)
Explanation: When you encounter a comparison shopping problem in French, you need to calculate the total cost for each purchasing option and find the difference. This tests both your mathematical reasoning and French comprehension skills. Let's calculate both options for buying 4.5 kg of apples. For the bulk option (lots), each lot contains 1.5 kg at 4.20€. To get 4.5 kg, you need 4.5÷1.5=34.5 ÷ 1.5 = 3 lots. The total cost is 3×4.20€=12.60€3 × 4.20€ = 12.60€. For the retail option (au détail), apples cost 3.10€ per kilo, so 4.5×3.10€=13.95€4.5 × 3.10€ = 13.95€. The difference is 13.95€−12.60€=1.35€13.95€ - 12.60€ = 1.35€, with lots being cheaper. Answer A incorrectly states that retail is 1.35€ cheaper, when it's actually more expensive. This reverses which option costs less. Answer B gives the wrong amount (0.75€) and incorrectly identifies lots as cheaper by this smaller margin. Answer C makes two errors: it claims retail is cheaper (wrong direction) and uses an incorrect amount of 1.95€, possibly from calculation mistakes or confusion about the pricing structure. The correct answer is D: lots are 1.35€ cheaper than buying au détail. Study tip: In French math problems, always identify the key terms first - "lots" vs "au détail" (retail), then set up your calculations systematically. Double-check which option actually costs less before selecting your answer, as these problems often include trap answers that reverse the comparison.

Question 12

Pierre dit: « J'ai acheté ces chaussures pour quatre-vingt-quinze euros et quarante-sept centimes, mais elles coûtaient cent vingt-trois euros et soixante-quinze centimes au départ. » Quel pourcentage de réduction Pierre a-t-il obtenu?

  1. Environ 23% de réduction sur le prix initial (correct answer)
  2. Environ 30% de réduction sur le prix initial
  3. Environ 28% de réduction sur le prix initial
  4. Environ 25% de réduction sur le prix initial
Explanation: Prix initial: 123,75 €. Prix payé: 95,47 €. Réduction: 123,75 - 95,47 = 28,28 €. Pourcentage: (28,28 ÷ 123,75) × 100 = 22,85% ≈ 23%. Les distracteurs représentent des erreurs de calcul courantes ou l'inversion du rapport (réduction/prix payé au lieu de réduction/prix initial).

Question 13

Antoine dit: « Mon salaire mensuel est de deux mille quatre cent soixante-trois euros nets, et je dépense environ trente-huit virgule cinq pour cent de cette somme en loyer. » Combien Antoine paie-t-il de loyer par mois?

  1. Environ 924 euros par mois de loyer
  2. Environ 863 euros par mois de loyer
  3. Environ 1.015 euros par mois de loyer
  4. Environ 948 euros par mois de loyer (correct answer)
Explanation: This question tests your ability to understand French number expressions and perform percentage calculations based on conversational French. When Antoine says his monthly salary is "deux mille quatre cent soixante-trois euros nets," he means €2,463 net. He spends "trente-huit virgule cinq pour cent" (38.5%) of this on rent. To find his rent, you need to calculate 38.5% of €2,463. The calculation is: 2,463×0.385=948.2552,463 \times 0.385 = 948.255, which rounds to approximately €948 per month. This confirms answer D is correct. Let's examine why the other answers are wrong. Answer A (€924) represents roughly 37.5% of the salary - this suggests a miscalculation where someone might have rounded 38.5% down to 37.5%. Answer B (€863) equals about 35% of the salary, indicating a significant error in either understanding the percentage or performing the calculation. Answer C (€1,015) represents about 41% of the salary, suggesting someone may have misheard or misunderstood "trente-huit virgule cinq" as a higher percentage. For conversational French math problems, always write down the numbers you hear in digits first: "deux mille quatre cent soixante-trois" becomes 2,463, and "trente-huit virgule cinq pour cent" becomes 38.5%. This prevents errors that come from working with the French words directly. Remember that "virgule" means decimal point in French mathematical expressions.

Question 14

Au supermarché, les yaourts sont vendus par lots: lot de 4 yaourts à 3,20 €, lot de 8 yaourts à 5,60 €, ou lot de 12 yaourts à 8,40 €. Emma veut acheter exactement 20 yaourts pour la semaine.

Quelle combinaison de lots permettra à Emma de payer le moins cher pour ses 20 yaourts?

  1. 1 lot de 12 + 2 lots de 4 = 14,80 € pour 20 yaourts
  2. 5 lots de 4 yaourts = 16,00 € pour 20 yaourts exactement
  3. 2 lots de 8 + 1 lot de 4 = 14,40 € pour 20 yaourts (correct answer)
  4. 1 lot de 8 + 3 lots de 4 = 15,20 € pour 20 yaourts
Explanation: Option A: 12+4+4=20 yaourts, prix: 8,40+3,20+3,20=14,80 €. Option B: 5×4=20 yaourts, prix: 5×3,20=16,00 €. Option C: 8+8+4=20 yaourts, prix: 5,60+5,60+3,20=14,40 €. Option D: 8+4+4+4=20 yaourts, prix: 5,60+3×3,20=15,20 €. L'option C est la moins chère.

Question 15

Luc dit: «J'ai payé mes courses vingt-trois euros quatre-vingt-quinze.» Combien lui rend-on s'il donne trente euros?

  1. 6,05€ (correct answer)
  2. 7,15€
  3. 6,15€
  4. 5,95€
Explanation: «Vingt-trois euros quatre-vingt-quinze» = 23,95€. Monnaie: 30,00 - 23,95 = 6,05€. B confond avec 23,85€. C avec 23,85€. D avec 24,05€.

Question 16

Julie annonce: «Nous avons vendu deux mille trois cent soixante-huit unités.» Comment écrit-on ce nombre?

  1. 2 386
  2. 2 638
  3. 23 068
  4. 2 368 (correct answer)
Explanation: When you encounter French number pronunciation questions, you need to carefully break down each word and match it to its numerical equivalent, paying close attention to the specific order and combinations. Let's decode "deux mille trois cent soixante-huit" step by step. "Deux mille" means 2,000. "Trois cent" means 300 (three hundred). "Soixante-huit" means 68 (sixty-eight). Adding these components: 2,000 + 300 + 68 = 2,368, which is answer D. Looking at the incorrect options: Answer A (2,386) would be pronounced "deux mille trois cent quatre-vingt-six" - this reverses the final digits, mixing up "soixante-huit" (68) with "quatre-vingt-six" (86). Answer B (2,638) would be "deux mille six cent trente-huit" - this incorrectly places the hundreds digit (6 instead of 3) and changes the final portion entirely. Answer C (23,068) would be "vingt-trois mille soixante-huit" - this misinterprets "trois cent" (300) as part of the thousands place, creating twenty-three thousand instead of two thousand three hundred. The key strategy for French number comprehension is to listen for the logical breaks: thousands ("mille"), hundreds ("cent"), and the final two-digit combination. French numbers follow a predictable pattern, but you must be careful not to rush - "trois cent" specifically means 300, not 3,000. Practice breaking down spoken numbers into their mathematical components before attempting to write the digits.

Question 17

David annonce: «Nos ventes ont augmenté de vingt-quatre virgule huit pour cent.» Si elles étaient de 85 000€, quel est le nouveau montant?

  1. 104 890€
  2. 105 420€
  3. 106 080€ (correct answer)
  4. 107 200€
Explanation: When you encounter percentage increase problems in French, you need to understand both the language and the mathematical operation being described. David is announcing that sales increased by "vingt-quatre virgule huit pour cent" (24.8 percent). To calculate a percentage increase, you multiply the original amount by (1 + the percentage as a decimal). Here, 24.8% = 0.248, so you calculate: 85,000×(1+0.248)=85,000×1.248=106,080€85,000 × (1 + 0.248) = 85,000 × 1.248 = 106,080€ This confirms that C) 106,080€ is correct. Let's examine why the other answers are wrong. A) 104,890€ represents approximately a 23.4% increase, suggesting a calculation error or misreading of "vingt-quatre" as a smaller number. B) 105,420€ equals about a 24% increase, which indicates someone might have misheard or misunderstood "virgule huit" (point eight) and used only 24% instead of 24.8%. D) 107,200€ represents roughly a 26% increase, possibly from mishearing the percentage or making an arithmetic error. The key trap here is in the precise listening comprehension of French numbers, especially decimals. "Virgule" means decimal point in French, so "vingt-quatre virgule huit" is exactly 24.8, not 24 or any other approximation. Always write down the exact numbers you hear in French before starting your calculations, and remember that percentage increases require multiplying by (1 + percentage), not just adding the percentage amount to the original figure.

Question 18

Un taxi parisien coûte 4,10 € de prise en charge, puis 1,08 € par kilomètre parcouru. Si la course de Thomas coûte 18,94 € au total, quelle distance approximative a-t-il parcourue?

  1. Environ 13,7 kilomètres pour cette course (correct answer)
  2. Environ 14,2 kilomètres pour cette course
  3. Environ 15,8 kilomètres pour cette course
  4. Environ 17,5 kilomètres pour cette course
Explanation: Coût des kilomètres: 18,94 - 4,10 = 14,84 €. Distance: 14,84 ÷ 1,08 = 13,74 km ≈ 13,7 km. Les distracteurs représentent des erreurs comme oublier la prise en charge, faire une erreur de division, ou confondre l'ordre des opérations.

Question 19

Valérie achète un manteau soldé. L'étiquette indique « Prix initial: 185,00 € - Première démarque: -30% - Deuxième démarque: -20% sur le prix déjà réduit ». Combien Valérie paiera-t-elle finalement?

  1. 92,50 € après application des deux réductions successives
  2. 103,60 € après application des deux réductions successives (correct answer)
  3. 110,20 € après application des deux réductions successives
  4. 118,40 € après application des deux réductions successives
Explanation: When you encounter percentage discount problems in French, you need to carefully track whether reductions apply to the original price or to already-reduced amounts. The key phrase here is "sur le prix déjà réduit" (on the already reduced price), which tells you the second discount applies to the price after the first reduction. Let's calculate step by step. The original price is 185,00 €. The first reduction is 30%: 185×0.30=55,50€185 × 0.30 = 55,50 €. So after the first discount: 185−55,50=129,50€185 - 55,50 = 129,50 €. The second reduction is 20% applied to this already-reduced price of 129,50 €: 129,50×0.20=25,90€129,50 × 0.20 = 25,90 €. The final price is: 129,50−25,90=103,60€129,50 - 25,90 = 103,60 €. Answer A (92,50 €) represents a common error where someone applies both percentages to the original price and then subtracts both amounts at once, giving 185−55,50−37=92,50€185 - 55,50 - 37 = 92,50 €. Answer C (110,20 €) likely comes from incorrectly calculating one of the percentage reductions. Answer D (118,40 €) appears to result from applying only the first discount correctly but miscalculating the second one. The correct answer is B (103,60 €). For successive percentage problems, always remember that each subsequent percentage applies to the new reduced amount, not the original price. Watch for phrases like "sur le prix déjà réduit" that signal this sequential calculation rather than parallel reductions.