Number Systems (IMO Mathematics Olympiad Class 6): Questions 23  29 of 84
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Question number: 23
» Number Systems
Question
What is the inverse property of multiplication and addition respectively ________
Choices
Choice (4)  Response  

a.  0, 1 

b.  1, 0 

c.  All of the above 

d.  Question does not provide sufficient data or is vague 

Question number: 24
» Number Systems
Question
Which of the following statement is true?
Statement I: Every integer is a whole number
Statement II: Every rational number is a whole number
Choices
Choice (4)  Response  

a.  I and II true 

b.  II true 

c.  I true, 

d.  I and II false 

Question number: 25
» Number Systems
Question
The number with which 143 is added so that the sum remains the same is ________
Choices
Choice (4)  Response  

a.  0 

b.  43 

c.  143 

d.  1 

Question number: 26
» Number Systems
Question
Difference between the face value of 8 and 5 in 26, 248 and 76, 542 is
Choices
Choice (4)  Response  

a.  3 

b.  442 

c.  805 

d.  Question does not provide sufficient data or is vague 

Question number: 27
» Number Systems
Question
Sum of face value of 9 and 4 in 2, 59, 570 and 7, 34, 256 is
Choices
Choice (4)  Response  

a.  13000 

b.  13 

c.  5 

d.  5000 

Question number: 28
» Number Systems
Question
If are two whole numbers, then commutative law is applicable to addition if
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All a. , b. and c. are correct 

Question number: 29
» Number Systems
Question
Which of the following statement is true?
Choices
Choice (4)  Response  

a.  Every natural number is a whole number 

b.  1 is the least whole number 

c.  Every whole number is a natural number 

d.  99 is the largest whole number 
