Number Systems (IMO Mathematics Olympiad Class 6): Questions 39  44 of 84
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Question number: 39
» Number Systems
Question
Add the number obtained by reversing the digits of the number 59371 to the number obtained by interchanging the digits in the unit’s place and the thousand’s place of the same number, we get________.
Choices
Choice (4)  Response  

a.  68774 

b.  86447 

c.   68774 

d.  67784 

Question number: 40
» Number Systems
Question
If negative sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.
Choices
Choice (4)  Response  

a.  Change 

b.  Not change 

c.  Be 0 

d.  Depends on the bracket 

Question number: 41
» Number Systems
Question
Which sign will come in the ________ to make the expression true?
Choices
Choice (4)  Response  

a.  > 

b.  = 

c.  < 

d.  None of the above 

Question number: 42
» Number Systems
Question
Product of two integer is If one of the integers is , then the other is
Choices
Choice (4)  Response  

a. 


b.  12 

c. 


d.  6 

Question number: 43
» Number Systems
Question
There are 378 Mangoes in a basket. A girl takes out 7 Mango from it and replaces them by 15 orange. She continues to do so, till all Mangoes are replaced by Orange. Find the number of orange put in the basket?
Choices
Choice (4)  Response  

a.  460 

b.  480 

c.  810 

d.  850 

Question number: 44
» Number Systems
Question
Multiplying three negative integers with a positive integer gives a ________ result.
Choices
Choice (4)  Response  

a.  Negative 

b.  Positive 

c.  0 

d.  None of the above 
