IMO Mathematics Olympiad (SOF) Class 8: Questions 749  756 of 1029
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Question number: 749
Question
If a 5digit number ‘abcde’ is divisible by 8, then________.
Choices
Choice (4)  Response  

a.  is a multiple of 8 

b.  is a multiple of 8 

c.  is a multiple of 8 

d.  is a multiple of 8 

Question number: 750
Question
If , where A and B are single digit number such that, then the values of A and B are________.
Choices
Choice (4)  Response  

a.  4,5 

b.  5,4 

c.  6,9 

d.  9,6 

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
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.  (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 
