Coefficient multiplicateur

Quiz
•
Mathematics
•
2nd Grade
•
Hard

Florence Tapiero
Used 15+ times
FREE Resource
6 questions
Show all answers
1.
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1 min • 1 pt
Augmenter une grandeur de 3% revient à la multiplier par
Answer explanation
car 1+3/100=1,03
2.
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1 min • 1 pt
Augmenter une grandeur de 100% revient à la multiplier par
Answer explanation
car 1+100/100=1+1=2
3.
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1 min • 1 pt
Un produit coûte 500 euros. Après une augmentation de 4%, son prix sera égal à ... euros. (écrire uniquement le prix)
Answer explanation
car le nouveau prix est égal à (1+4/100)*500=1,04*500
4.
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1 min • 1 pt
Diminuer une grandeur de 12% revient à la multiplier par :
Answer explanation
car 1-12/100=1-0,12=0,88
5.
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1 min • 1 pt
Diminuer un grandeur de 50% revient à la multiplier par :
Answer explanation
car 1-50/100=1-0,5=0,5
6.
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1 min • 1 pt
Une action valant 15 euros baisse de 6%. Sa nouvelle valeur est égal à (écrire uniquement la valeur) :
Answer explanation
car (1-6/100)*15=0,94*15=14,1
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