IMO Mathematics Olympiad Class 5: Questions 60  65 of 838
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Question number: 60
Question
The value of =________.
Choices
Choice (4)  Response  

a.  151 

b.  115 

c.  511 

d.  None of the above 

Question number: 61
Question
Given that 42 is the 3^{rd} common multiple of 2 and
. Find the smallest possible number for
.
Choices
Choice (4)  Response  

a.  9 

b.  3 

c.  5 

d.  7 

Question number: 62
Question
Which is equal to
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 63
Question
21 is a common multiple of
and 3. Find the greatest possible number for
?
Choices
Choice (4)  Response  

a.  7 

b.  6 

c.  None of the above 

d.  All of the above 

Question number: 64
Question
In the product 435 and 23, which digit is in the thousand’s place?
Choices
Choice (4)  Response  

a.  0 

b.  5 

c.  1 

d.  None of the above 

Question number: 65
Question
In a movie hall, 435 seats are vacant and 1342 seats are occupied. What is the sitting capacity of the hall?
Choices
Choice (4)  Response  

a.  1577 

b.  1777 

c.  1787 

d.  1778 
