IMO Mathematics Olympiad (SOF) Class 3: Questions 483  485 of 581
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Question number: 483
» Geometry
Question
Number of shaded lines are needed to make the shaded figure is________.
Choices
Choice (4)  Response  

a.  6 

b.  8 

c.  9 

d.  10 

Question number: 484
Question
Look at this pattern.
Which of the following shows the same kind of pattern?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 

Question number: 485
Question
The table shows the number of marbles collected by Jay each day.
Day  Monday  Tuesday  Wednesday  Thursday  Friday  Saturday  Sunday 
No. of marbles  5  9  ?  17  21  25  29 
If the pattern in the table continues, how many marbles he will collect in Wednesday?
Choices
Choice (4)  Response  

a.  10 

b.  15 

c.  19 

d.  13 
