IMO Level 1 Mathematics Olympiad (SOF) Class 4: Questions 143  149 of 614
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Question number: 143
Question
If
;
, then the value of
Choices
Choice (4)  Response  

a.  250  
b.  240  
c.  200  
d.  350 
Question number: 144
Question
Find the missing number.
Choices
Choice (4)  Response  

a.  2  
b.  12  
c.  4  
d.  6 
Question number: 145
Question
Which of the following number is divided by 10?
Choices
Choice (4)  Response  

a.  210  
b.  310  
c.  120  
d.  All a. , b. and c. are correct 
Question number: 146
Question
Alisha bought 3 basket of apples and 5 basket of oranges. Each basket of fruit had 7 pieces in it. Which expression could she use to find the total number of balls he bought?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 147
Question
Which of the following number is a common factor of 28 and 35?
Choices
Choice (4)  Response  

a.  7  
b.  4  
c.  6  
d.  9 
Question number: 148
Question
The numbers in region (ii) shows that the number can be divided by ________ both.
Choices
Choice (4)  Response  

a.  4 and 6  
b.  5 and 4  
c.  3 and 5  
d.  None of the above 
Question number: 149
Question
are all ________.
Choices
Choice (4)  Response  

a.  Multiplies of 2  
b.  Multiplies of 6  
c.  Multiplies of 8  
d.  Multiplies of 4 