MathematicsPlaying With Numbers (NSTSE (National Level Science Talent Search Examination) Class 6): Questions 1  10 of 83
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Question number: 1
» Mathematics » Playing With Numbers
Question
A set of numbers which do not have any other common factor other than 1 are called
Choices
Choice (4)  Response  

a.  Co primes 

b.  Composite 

c.  twin primes 

d.  None of the above 

Question number: 2
» Mathematics » Playing With Numbers
Question
HCF of 8 and 12 is
Choices
Choice (4)  Response  

a.  8 

b.  6 

c.  4 

d.  12 

Question number: 3
» Mathematics » Playing With Numbers
Question
LCM of 76 and 36 is
Choices
Choice (4)  Response  

a.  684 

b.  846 

c.  648 

d.  670 

Question number: 4
» Mathematics » Playing With Numbers
Question
LCM of 12 and 34 is
Choices
Choice (4)  Response  

a.  204 

b.  62 

c.  12 

d.  240 

Question number: 5
» Mathematics » Playing With Numbers
Question
A prime number can be divided evenly only by________
Choices
Choice (4)  Response  

a.  1 or it self 

b.  1 

c.  2 or it self 

d.  0 

Question number: 6
» Mathematics » Playing With Numbers
Question
If a number can be expressed as a product of two whole numbers, then the whole number are called
Choices
Choice (4)  Response  

a.  Factors 

b.  Composite 

c.  Coprimes 

d.  Question does not provide sufficient data or is vague 

Question number: 7
» Mathematics » Playing With Numbers
Question
HCF of two coprime numbers is their
Choices
Choice (4)  Response  

a.  quotient 

b.  product 

c.  Sum 

d.  difference 

Question number: 8
» Mathematics » Playing With Numbers
Question
When we multiply 2 numbers, the answer is called the
Choices
Choice (4)  Response  

a.  product 

b.  prime 

c.  Even 

d.  None of the above 

Question number: 9
» Mathematics » Playing With Numbers
Question
An example of composite is
Choices
Choice (4)  Response  

a.  121 

b.  19 

c.  37 

d.  53 

Question number: 10
» Mathematics » Playing With Numbers
Question
Any integer that can be divided exactly by 2.
Choices
Choice (4)  Response  

a.  Even 

b.  Composite 

c.  odd 

d.  All of the above 
