IMO Mathematics Olympiad Class 8: Questions 746  752 of 1029
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1029 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 746
Question
A 3 digit number ‘abc’ is divisible by 3 if________.
Choices
Choice (4)  Response  

a.  a + b + c is divisible by 3 

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

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

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

Question number: 747
Question
The least value of x so that 48176x3 is divisible by 9 is________.
Choices
Choice (4)  Response  

a.  9 

b.  11 

c.  5 

d.  7 

Question number: 748
Question
The least value must be given to x so that the number 6148x2 is divisible by 8 is________.
Choices
Choice (4)  Response  

a.  1 

b.  4 

c.  2 

d.  3 

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 
