Information chiffrée (2nde)

Information chiffrée (2nde)

9th Grade

11 Qs

quiz-placeholder

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Information chiffrée (2nde)

Information chiffrée (2nde)

Assessment

Quiz

Mathematics

9th Grade

Practice Problem

Easy

Created by

Cedric Durantin

Used 1+ times

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11 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

30% correspond à la fraction

3/10
1+30/100
1-30/100
30/1000

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Augmenter une valeur de 18% revient à la multiplier par

1.18
0.82
18.0
0.18

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La population d’une ville passe de 60 000 habitants à 81 000 habitants. Quelle est la variation relative ?

+ 35%
+ 25 %
- 35 %
21 000

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

25% de 480 est égal à

120
125
240
80

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Si on diminue 480 de 25%, on obtient

360
400
120
480

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Appliquer le coefficient multiplicateur 1.25 revient à effectuer

une hausse de 25%
une hausse de 1.25%
une baisse de 25%
une baisse de 0.75%

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Le pourcentage d'augmentation permettant de passer de la valeur 400 à la valeur 520 est

30 %
environ 25%
40 %
50 %

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