IMO Level 1 Mathematics Olympiad (SOF) Class 5: Questions 245  252 of 889
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Question number: 245
Question
In numbers from 1 to 80 the digit “0” appears________times?
Choices
Choice (4)  Response  

a.  10  
b.  6  
c.  7  
d.  8 
Question number: 246
Question
XXIII ________ 13
Choices
Choice (4)  Response  

a.  >  
b.  +  
c.  <  
d.  = 
Question number: 247
Question
Tina works 15 hours a week (Monday to Friday). Last week she worked hours on Monday, 4 hours on Tuesday, hours on Wednesday and on Thursday. How many hours did she work on Friday?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  4  
d. 

Question number: 248
Question
Place value and face value of a number is always equal at________.
Choices
Choice (4)  Response  

a.  One’s place  
b.  Hundred’s place  
c.  Ten’s place  
d.  Question does not provide sufficient data or is vague 
Question number: 249
Question
What is the missing value in the given mathematical statement?
Choices
Choice (4)  Response  

a.  0  
b.  1  
c.  2  
d.  None of the above 
Question number: 250
Question
CXV = ________.
Choices
Choice (4)  Response  

a.  591  
b.  115  
c.  519  
d.  Question does not provide sufficient data or is vague 
Question number: 251
Question
Which of the following is equivalent to
Choices
Choice (4)  Response  

a. 
 
b.  1  
c.  1.5  
d.  Both a. and c. are correct 
Question number: 252
Question
80808080 comes after________.
Choices
Choice (4)  Response  

a.  80808079  
b.  80808081  
c.  80808099  
d.  80807980 