IMO Mathematics Olympiad Class 5: Questions 228  230 of 837
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Question number: 228
Question
What is the smallest number of squares that must be added so that the line MN becomes a line of symmetry?
Choices
Choice (4)  Response  

a.  5 

b.  3 

c.  4 

d.  2 

Question number: 229
Appeared in Year: 2014
Question
select the correct mirror image of the given Fig X
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 230
Question
I think of a decimal number. After I have multiplied it by 5 then added 2.1 and then I have subtracted 2 from it, I get 1. What is the decimal number?
Choices
Choice (4)  Response  

a.  0.18 

b.  18 

c.  1.8 

d.  1 
