Pourcentages
Quiz
•
Mathematics
•
10th Grade
•
Hard
david Moulineaud
Used 56+ times
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8 questions
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1.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Un prix de 120 euros augmente de 10%, il vaut
12 euros
1,2 euros
112 euros
132 euros
2.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Réduire de 20% le prix d'un jeu valant 80 euros
16 euros
64 euros
20 euros
60 euros
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Augmenter un prix de 15%, c'est le multiplier par
1,15
0.15
0.85
0.15
4.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Diminuer un prix de 25% revient à prendre 75% de sa valeur. Donc c'est le multiplier par:
0.25
0.75
1.25
4
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Augmenter de 10% suivi d'une réduction de 10% c'est:
0%
une augmentation
une réduction
cela dépend du nombre de départ
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Multiplier une quantité q par 1.30 c'est :
augmenter q de 30%
augmenter q de 130%
augmenter q de 1.30
diminuer q de 70%
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Multiplier une quantité q par 0.60 c'est :
augmenter q de 60%
augmenter q de 0.60
diminuer q de 60%
diminuer q de 40%
8.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
une quantité q augmente de 10% puis de 20%. Cela revient à :
0.10x0.20
1.10x1.20xq
(1.10+1.20)q
1.30q
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