IMO Mathematics Olympiad Class 3: Questions 117  122 of 581
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Question number: 117
Question
How many times 10 should be subtracted from 40 to give 0?
Choices
Choice (4)  Response  

a.  5 

b.  4 

c.  3 

d.  1 

Question number: 118
Question
In which picture number of birds can be divided into two equal parts?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 119
Question
Dhaval has 15 boxes of books. He has 45 books in all. Dhaval used the number sentence below to find how many books in each box, if each box contains equal number of books.
Choices
Choice (4)  Response  

a.  7 

b.  9 

c.  5 

d.  6 

Question number: 120
Question
Find the missing number in the following addition?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 121
Question
If Ten’s place and unit’s place digit is interchanging in each number, then which of the following number is even?
Choices
Choice (4)  Response  

a.  9162 

b.  4386 

c.  7748 

d.  All a. , b. and c. are correct 

Question number: 122
Question
Find the missing number.
Choices
Choice (4)  Response  

a.  64 

b.  30 

c.  50 

d.  60 
