
Aumentos e Descontos - 01
Authored by MARCO CASTRO
Mathematics
12th Grade
Used 54+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O preço de custo de certo produto eletrônico é de R$ 160,00. Foi vendido por R$ 240,00. Qual a taxa percentual de lucro sobre o preço de custo?
50%
48%
45%
66,67%
40%
2.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Certo modelo de smartphone foi vendido por R$ 1.200,00 e gerou um lucro de 20% sobre o valor de venda. Qual o valor do custo desse smartphone?
R$ 960,00
R$ 890,00
R$ 1.090,00
R$ 956,00
R$ 886,00
3.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Certa mercadoria que custava R$ 12,50 sofreu um aumento, passando a custar R$ 14,50. A taxa de reajuste sobre o preço antigo foi de:
16%
20%
86,2%
13,8%
18,2%
4.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
O valor de uma Smart TV é de R$ 2.400,00. Foi vendida numa promoção por R$ 1.600,00. Qual foi a taxa percentual de desconto sobre o valor inicial?
33,3%
20%
35%
25%
66,67%
5.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A venda de um carro usado por R$ 12.000,00 proporcionou um prejuízo de 40% sobre o valor da venda. Qual era o valor de venda inicial desse carro?
R$ 16.800,00
R$ 15.600,00
R$ 18.200,00
R$ 14.500,00
R$ 15.850,00
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
A concorrência faz com que um determinado sanduíche do tipo "fast food", cujo valor inicial era de R$ 7,00, seja vendido por R$ 5,60. Qual a taxa de desconto sobre o preço inicial?
20%
18%
15%
80%
12,5%
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
O aumento da procura de ovos de páscoa fez com que o seu preço sofresse dois aumentos, de 15% e 12%, respectivamente. Se, antes dos aumentos, o preço de um ovo de 500g era R$ 28,00, qual o preço atual?
R$ 36,06
R$ 35,16
R$ 34,96
R$ 33, 56
R$ 32, 76
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