IMO Mathematics Olympiad Class 8: Questions 704  710 of 1029
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Question number: 704
Question
If a 3digit number ‘abc’ is divisible by 11, then________.
Choices
Choice (4)  Response  

a.  is a multiple of 11 

b.  is a multiple of 11 

c.  is a multiple of 11 

d.  is a multiple of 11 

Question number: 705
Question
A 3 digit number ‘cba’ is divisible by 9 if________.
Choices
Choice (4)  Response  

a.  a + b + 2c is divisible by 9 

b.  a + 2b + c is divisible by 9 

c.  a + b + c is divisible by 9 

d.  2a + b + c is divisible by 9 

Question number: 706
Question
If is divisible by 9, where is a digit less than 5, then the values of are________.
Choices
Choice (4)  Response  

a.  2 

b.  3 

c.  1 

d.  0 

Question number: 707
Question
If and there is no carry on addition, then the value of B is________.
Choices
Choice (4)  Response  

a.  0 

b.  5 

c.  3 

d.  1 

Question number: 708
Question
If divided by 5 leaves a remainder of 4, and divided by 2 leaves a remainder of 1, then the one’s digit of N is________.
Choices
Choice (4)  Response  

a.  3 

b.  4 

c.  7 

d.  9 

Question number: 709
Question
If is divisible by 3, where x is a digit less than 5, then the values of x are________.
Choices
Choice (4)  Response  

a.  3 

b.  1 

c.  0 

d.  2 

Question number: 710
Question
If and there is no carry on addition, then the value of B is________.
Choices
Choice (4)  Response  

a.  3 

b.  1 

c.  5 

d.  4 
