IMO Level 1 Mathematics Olympiad (SOF) Class 8: Questions 681  688 of 1040
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Question number: 681
Question
In a division sum, the divisor is 12 times the quotient and 5 times the remainder. If the remainder is 48, then dividend is________.
Choices
Choice (4)  Response  

a.  2424  
b.  8484  
c.  4848  
d.  2021 
Question number: 682
Question
On dividing 12401 by a certain number, we get 76 as quotient and 13 as remainder. What is the divisor?
Choices
Choice (4)  Response  

a.  166  
b.  160  
c.  163  
d.  165 
Question number: 683
Question
14321 is divisible by________.
Choices
Choice (4)  Response  

a.  9  
b.  3  
c.  4  
d.  None of the above 
Question number: 684
Question
On dividing 6740 by a certain number, we get 56 as quotient and 20 as remainder. What is the divisor?
Choices
Choice (4)  Response  

a.  125  
b.  121  
c.  120  
d.  126 
Question number: 685
Question
The largest natural number by which the product of three consecutive even natural numbers is always divisible is________.
Choices
Choice (4)  Response  

a.  28  
b.  48  
c.  96  
d.  18 
Question number: 686
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.  4,4  
c.  5,5  
d.  None of the above 
Question number: 687
Question
If , where A and B are single digit number such that, then the values of B and A are________.
Choices
Choice (4)  Response  

a.  4,5  
b.  5,4  
c.  6,9  
d.  9,6 
Question number: 688
Question
Euler’s formula for any polyhedron, where F is the number of faces, V stands for number of vertices and E stands for number of edges is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  
d. 
