Réduire une valeur de 22% revient à la multiplier par

Quiz sur l'information chiffrée (2nde)

Quiz
•
Mathematics
•
10th Grade
•
Easy
Cedric Durantin
Used 2+ times
FREE Resource
17 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
0,78
1,22
0,22
0,88
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Une ville passe de 75 000 à 90 000 habitants. Quelle est la variation relative ?
+20%
+150%
+0,2%
15 000
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
12% de 600 est égal à
72
62
120
12
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si on diminue 600 de 15%, on obtient
510
515
480
540
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Appliquer le coefficient multiplicateur 0,9 revient à effectuer
une baisse de 10%
une baisse de 90%
une hausse de 10%
une hausse de 0,1%
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Le taux d'augmentation permettant de passer de la valeur 150 à la valeur 195 est
30%
25%
45%
50%
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Après une diminution de 15%, on obtient 204. La valeur initiale était
240
200
225
210
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