IMO Mathematics Olympiad Class 8: Questions 751  759 of 1029
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Question number: 751
Question
If divided by 13 leaves a remainder of 11, and divided by 17 leaves a remainder of 9, then the one’s digit of N is________.
Choices
Choice (4)  Response  

a.  3  
b.  7  
c.  4  
d.  9 
Question number: 752
Question
A tetrahedron has 4 Faces, 6 Edges then the number of vertices (using Euler’s formula) is________.
Choices
Choice (4)  Response  

a.  2  
b.  1  
c.  3  
d.  4 
Question number: 753
Question
The number of students watched TV for more than 7 hours is________.
Choices
Choice (4)  Response  

a.  2  
b.  5  
c.  6  
d.  None of the above 
Question number: 754
Following Statement is true or false:
A number is divisible by 5 when last digit of a number is 0 or 1. This statement is ________.
Question number: 755
Question
A 5digit number xy978 is divisible by 9 such that x + y < 5, where x and y are digits, then possible values of (x, y) are________.
Choices
Choice (4)  Response  

a.  (1, 2), (3, 0) and (2, 1)  
b.  (1, 2), (0, 3) and (2, 1)  
c.  (2, 1), (0, 3) and (1, 2)  
d.  None of the above 
Question number: 756
Question
If is divided by 5 leaves a remainder of 1, then one’s digit of must be________.
Choices
Choice (4)  Response  

a.  Either 1 or 2  
b.  Either 4 or 5  
c.  Either 1 or 4  
d.  All of the above 
Question number: 757
Question
21436587 is divisible by________.
Choices
Choice (4)  Response  

a.  2  
b.  5  
c.  9  
d.  7 
Question number: 758
Question
68790 is divisible by________.
Choices
Choice (4)  Response  

a.  5  
b.  3  
c.  4  
d.  None of the above 
Question number: 759
Question
The probability of occurrence of an event is________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
