
ПРОЦЕНТИ
Authored by Galina Kostadinova
Mathematics
7th Grade
Used 1+ times

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9 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
От всички рози в един цветарски магазин, 80% са червени, а другите 30 рози са бели. Колко са всички рози в магазина?
50
60
120
150
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Колко грама захар има в 500 грама 5% захарен разтвор?
5
25
100
250
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В 50 kg сплав има 40% сребро. Колко килограма е среброто в тази сплав?
2
4
20
40
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
В 60 грама нектар се съдържат 42 грама плод. Колко процента е плодът в 300 грама от същия нектар?
21%
42%
70%
90%
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
С колко процента трябва да се намали числото 72, за да се получи 63 ?
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
След намаление на цената с 20% готварска печка струва 220 лв. Цената на печката преди намалението е била:
240 лв.
264 лв.
275 лв.
1100 лв.
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
50 % от 30 са равни на:
5
15
20
50
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