
Problemes de percentatges
Authored by Jordi Sala
Science
10th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el 20% d'un nombre és 30, quin és el nombre?
150
200
100
120
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Quin percentatge de 80 és 16?
10%
15%
25%
20%
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si el preu d'un article augmenta en un 25% i ara costa 125€, quin era el preu original?
100
120
130
110
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un estudiant respon correctament al 75% de les preguntes d'un examen de 40 preguntes, quantes preguntes ha respost correctament?
30
25
35
20
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un cotxe que costava 20000€ es ven amb un descompte del 15%, quin és el preu de venda?
17000€
15000€
18000€
16000€
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un treballador guanya 1500€ al mes i rep un augment del 10%, quin serà el seu nou salari mensual?
1550€
1600€
1650€
1700€
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Si un estudiant obté un 80% en un examen de 50 preguntes, quantes preguntes ha contestat correctament?
40
45
30
35
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