IMO Level 1 Mathematics Olympiad (SOF) Class 4: Questions 78  83 of 614
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Question number: 78
Question
The picture below shows a copy of four different books. The number under each book is the total number of copies of the book sold last year.
Which books sold a number of copies that has a 9 in the thousand’s place?
Choices
Choice (4)  Response  

a.  Kids book  
b.  Music book  
c.  Sports book  
d.  History book 
Question number: 79
Question
Which number has a 7 in the ten’s place?
Choices
Choice (4)  Response  

a.  9,754  
b.  9,371  
c.  8,457  
d.  7,268 
Question number: 80
Question
What is 156347 rounded to the nearest thousand?
Choices
Choice (4)  Response  

a.  156300  
b.  156000  
c.  150000  
d.  156340 
Question number: 81
Question
________
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 82
Question
Ronak Won exactly of the cards for A place. Which of the following could be the group of cards Ronak won?
Choices
Choice (4)  Response  

a.  
b.  
c.  
d. 
Question number: 83
Question
Dhyani had four numbers. She used each number only once to make a large number.
If Dhyani put the 1 in the ten’s place, what would be the largest number she could make?
Choices
Choice (4)  Response  

a.  8315  
b.  8153  
c.  8513  
d.  8531 