IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 751  758 of 1040
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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.  4 

c.  7 

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.  4 

b.  3 

c.  2 

d.  1 

Question number: 753
Question
The number of students watched TV for more than 7 hours is________.
Choices
Choice (4)  Response  

a.  6 

b.  2 

c.  5 

d.  None of the above 

Question number: 754
Question
Is the Following Statement 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.  (2,1), (0,3) and (1,2) 

b.  (1,2), (0,3) and (2,1) 

c.  (1,2), (3,0) and (2,1) 

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 1 or 4 

c.  Either 4 or 5 

d.  Question does not provide sufficient data or is vague 

Question number: 757
Question
21436587 is divisible by________.
Choices
Choice (4)  Response  

a.  9 

b.  7 

c.  2 

d.  5 

Question number: 758
Question
68790 is divisible by________.
Choices
Choice (4)  Response  

a.  4 

b.  3 

c.  5 

d.  All of the above 
