Number Systems (IMO Mathematics Olympiad Class 6): Questions 30  37 of 84
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1049 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 450.00 or
Question number: 30
» Number Systems
Question
Additive identity is________
Choices
Choice (4)  Response  

a.  1 

b.  0 

c.  2 

d.  3 

Question number: 31
» Number Systems
Question
Difference between place value of 7 face value of 5 in 81, 23, 457 is________
Choices
Choice (4)  Response  

a.  2 

b.  22 

c.  12 

d.  20 

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 
