IMO Mathematics Olympiad Class 3: Questions 50  55 of 581
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Question number: 50
Question
The greatest four digit number that can be formed using the digits of Gopi’s house number ‘2496’ will have have which number at its thousand’s place?
Choices
Choice (4)  Response  

a.  4 

b.  9 

c.  6 

d.  2 

Question number: 51
Question
How many four digit number can be formed using only once in a number?
Choices
Choice (4)  Response  

a.  3 

b.  4 

c.  9 

d.  None of the above 

Question number: 52
Question
Which of the following set of numbers is in the order from least to highest?
Choices
Choice (4)  Response  

a.  9052, 9520, 9205, 2509 

b.  756, 267, 765, 567, 675 

c.  1349, 3491, 3941, 4931, 9331, 9431 

d.  1246, 4621, 2461, 6124, 4216 

Question number: 53
Question
If
Reprents 1, than write the number represented by the diagram?
Choices
Choice (4)  Response  

a.  553 

b.  356 

c.  635 

d.  536 

Question number: 54
Question
The difference between 49 ten’s and is 1772. What is the number in the box?
Choices
Choice (4)  Response  

a.  1282 

b.  1728 

c.  4268 

d.  2129 

Question number: 55
Question
Four friends are playing a number game. Each of them are writing their favourite number. Who wrote smallest number?
Choices
Choice (4)  Response  

a.  Sanaya 

b.  Suman 

c.  Sravan 

d.  Sani 
