4) évolution successives
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Medium
Emilie GRANGER
Used 3+ times
FREE Resource
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15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un article augmente de 20% puis baisse de 20% alors
Il revient à son prix initial
Finalement, son prix a baissé
Finalement, son prix a augmenté
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Augmenter de 20% de 10% revient à multiplier par ...
1,32
0,02
0,72
1,3
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Augmenter de 20% puis baisser de 10% revient à multiplier par ...
1,08
0,72
1,1
0,9
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un prix augmente de 50% puis diminue de 50%, quel est le pourcentage de changement final ?
100%
25%
50%
75%
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un prix augmente de 30% puis diminue de 30%, quel est le pourcentage de changement final ?
100%
60%
30%
-9%
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Augmenter de 25% puis baisser de 20% revient à multiplier par ...
1,05
0,8
1
0,75
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Augmenter de 25% puis baisser de 10% puis augmenter de 5% revient à multiplier par ...
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