MathematicsRational Numbers (NSTSE (National Science Talent Search Exam Unified Council) Class 7): Questions 1  6 of 70
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Question number: 1
» Mathematics » Rational Numbers
Question
Which of the following alternatives is wrong? Given that
(I) Difference of two rational numbers is a rational number
(II) Subtraction is commutative on rational numbers
(III) Addition is not commutative on rational numbers
Choices
Choice (4)  Response  

a.  (I) only 

b.  (I) and (III) 

c.  (II) and (III) 

d.  None of the above 

Question number: 2
» Mathematics » Rational Numbers
Question
is a
Choices
Choice (4)  Response  

a.  Either positive or negative rational number 

b.  Negative rational number 

c.  Neither positive nor negative rational number 

d.  Positive rational number 

Question number: 3
» Mathematics » Rational Numbers
Question
is a
Choices
Choice (4)  Response  

a.  Positive rational number 

b.  Neither positive nor negative rational number 

c.  Either positive or negative rational number 

d.  Negative rational number 

Question number: 4
» Mathematics » Rational Numbers
Question
What number should be added to so as to get ?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 5
» Mathematics » Rational Numbers
Question
Name the property of multiplication illustrated by
Choices
Choice (4)  Response  

a.  Distributive property 

b.  Associative property 

c.  Commutative property 

d.  None of the above 

Question number: 6
» Mathematics » Rational Numbers
Question
How many pieces of equal size can be cut from a rope of 50 meters long, each measuring meters?
Choices
Choice (4)  Response  

a.  12 

b.  15 

c.  5 

d.  10 
