
évolutions , CM
Authored by Claire GOGER
Mathematics
9th Grade
Used 5+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un prix augmente de 33%. Quel est son coefficient multiplicateur?
0,33
1,33
0,67
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Une quantité augmente de 2,5%. Le coefficient multiplicateur est :
1,25
0,025
1,025
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Une valeur baisse de 8%. Le coefficient multiplicateur est :
1,08
0,92
0,80
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un prix baisse de 5,7% ; il est multiplié par :
0,957
1,057
0,943
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Une quantité a été multipliée par CM=1,7. Elle a subi :
une hausse de 70%
une hausse de 7%
une hausse de 17%
une baisse de 30%
une baisse de 7%
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Un prix a été multiplié par 2,5. Ce prix a subi :
une hausse de 250%
une hausse de 25%
une baisse de 25%
une hausse de 150%
une baisse de 50%
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Le prix d'un objet est passé de 145€ à 110,20€. Son prix a subi une baisse de :
76%
24%
31,6%
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