
Marimi direct sau invers proportionale
Authored by Elena Costache
Mathematics
6th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Aflati numerele a si b,stiind ca sunt direct proportionale cu 2 si 9, iar produsul lor este 72.
a=8 si b=9
a=6 si b=12
a=4 si b=18
a=12 si b=60
2.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
Daca 4 esarfe se platesc 84 lei, cat costa 6 esarfe de acelasi fel ?
102 lei
114 lei
120 lei
126 lei
3.
MULTIPLE CHOICE QUESTION
1 min • 4 pts
Aflati numerele rationale pozitive a, b, c, stiind ca sunt invers proportionale cu 2, 5, 6, si ca a-b=15.
a=25, b=10, c=8,(3)
a=32, b=17, c=12
a=22,5; b=37,5; c=40
a=20, b=5, c=3,(3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 4 pts
O roata face 100 de rotatii in 4 minute, cate rotatii face in 6 minute ?
120
150
180
200
5.
MULTIPLE CHOICE QUESTION
1 min • 6 pts
Numerele x, y si z sunt direct proportionale cu 4, 6, respectiv 8. Daca x+y-z=8, atunci numerele x, y si z sunt egale cu ...
x=10, y=12, z=14
x=16, y=24, z=32
x=15, y=20, z=25
x=14, y=21, z=28
6.
FILL IN THE BLANK QUESTION
1 min • 6 pts
Daca 3 kg de mere costa 5,25 lei, aflati cate kg de mere de aceeasi calitate se pot cumpara cu 14 lei ?
7.
FILL IN THE BLANK QUESTION
1 min • 6 pts
Daca 5 camioane transporta o cantitate de marfa in 45 de ore, aflati in cate ore transporta aceeasi cantitate 3 camioane .
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