IMO Mathematics Olympiad Class 8: Questions 747  754 of 1029
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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 

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 ________.