IMO Mathematics Olympiad (SOF) Class 3: Questions 120  125 of 581
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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 

Question number: 123
Question
Three friends are playing a number game. Each of them are writing their favourite number. Who wrote highest number?
Choices
Choice (4)  Response  

a.  Akira 

b.  Ayan 

c.  Alya 

d.  None of the above 

Question number: 124
Question
Riya wrote a number on the black board as shown below.
If it is formed from four different digits, than which of the following number could be placed in the gap to make it the biggest number?
Choices
Choice (4)  Response  

a.  4 

b.  0 

c.  9 

d.  5 

Question number: 125
Question
Which of the following has the place value of 3 as 300?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
