Fractions and Decimals (IMO Mathematics Olympiad Class 5): Questions 27  30 of 91
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Question number: 27
» Fractions and Decimals
Question
What fraction of figure is shaded and what is the difference between unshaded and shaded fraction?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 28
» Fractions and Decimals
Question
The model below is orange shaded to represent the number 1.
1.
Each of the following models is shaded to represent a decimal number.
If the two decimals are added, what is the sum?
Choices
Choice (4)  Response  

a.  0.60 

b.  1.45 

c.  6.1 

d.  4.2 

Question number: 29
» Fractions and Decimals
Question
I think of a decimal number. After I have subtract 2.7 from it, then multiplied by 3 and then added 0.19, I get 10.2. What is the decimal number?
Choices
Choice (4)  Response  

a.  18 

b.  4.5 

c.  18.11 

d.  6.04 

Question number: 30
» Fractions and Decimals
Question
What mixed number represents the red shaded portion of the two models shown below?
Choices
Choice (4)  Response  

a. 


b.  0 

c.  1 

d.  Question does not provide sufficient data or is vague 
