Number Systems (IMO Mathematics Olympiad (SOF) Class 6): Questions 32  39 of 84
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Question number: 32
» Number Systems
Question
Multiplicative identity is________
Choices
Choice (4)  Response  

a.  2 

b.  0 

c.  3 

d.  1 

Question number: 33
» Number Systems
Question
Which of the following statement is true?
Statement I: Every whole number is a rational number
Statement II: Every integer is a rational number
Choices
Choice (4)  Response  

a.  I true, 

b.  I and II false 

c.  I and II true 

d.  II true 

Question number: 34
» Number Systems
Question
The number with which 96 is multiplied so that product remains the same is ________
Choices
Choice (4)  Response  

a. 


b.  1 

c.  0 

d.  96 

Question number: 35
» Number Systems
Question
Multiplicative identity for a rational number is________
Choices
Choice (4)  Response  

a.  2 

b.  0 

c.  1 

d.  None of the above 

Question number: 36
» Number Systems
Question
If are two whole numbers, then commutative law is applicable to subtraction if and only if
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 37
» Number Systems
Question
Which of the following statement is true if N, W and I are sets of Natural, Whole and Integer numbers respectively?
Choices
Choice (4)  Response  

a.  I ⊂ W ⊂ N 

b.  N ⊂ W ⊂ I 

c.  I ⊂ N ⊂ W 

d.  W ⊂ N ⊂ I 

Question number: 38
» Number Systems
Question
Which sign will come in the blank space to make the expression true?
Choices
Choice (4)  Response  

a.  ≤ 

b.  > 

c.  < 

d.  = 

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 
