MathematicsMultiples and Factors (NSTSE (National Science Talent Search Exam Unified Council) Class 4): Questions 68  77 of 99
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Question number: 68
» Mathematics » Multiples and Factors
Question
The sum of composite numbers between 11 and 20 is:
Choices
Choice (4)  Response  

a.  75 

b.  95 

c.  105 

d.  85 

Question number: 69
» Mathematics » Multiples and Factors
Question
1 is ________. (Model Test Paper)
Choices
Choice (4)  Response  

a.  Either a prime number or a composite number 

b.  A composite number 

c.  Neither a prime number nor a composite number 

d.  A prime number 

Question number: 70
» Mathematics » Multiples and Factors
Question
A number is divisible by 10, the number is:
Choices
Choice (4)  Response  

a.  620 

b.  238 

c.  621 

d.  525 

Question number: 71
» Mathematics » Multiples and Factors
Question
The sum of digits is divisible by 9, the number is:
Choices
Choice (4)  Response  

a.  300 

b.  164 

c.  256 

d.  279 

Question number: 72
» Mathematics » Multiples and Factors
Question
The unique number is:
Choices
Choice (4)  Response  

a.  0 

b.  2 

c.  1 

d.  3 

Question number: 73
» Mathematics » Multiples and Factors
Question
41 and 51 are ________ numbers.
Choices
Choice (4)  Response  

a.  Twin prime 

b.  Coprime 

c.  Prime 

d.  Composite 

Question number: 74
» Mathematics » Multiples and Factors
Question
________ is the smallest prime number.
Choices
Choice (4)  Response  

a.  4 

b.  2 

c.  1 

d.  5 

Question number: 75
» Mathematics » Multiples and Factors
Question
A number which when divided by 2, leaves zero as remainder, is ________ number.
Choices
Choice (4)  Response  

a.  Even 

b.  Prime 

c.  Twin prime 

d.  Odd 

Question number: 76
» Mathematics » Multiples and Factors
Question
Consecutive prime numbers with a difference of 2 between them are called ________.
Choices
Choice (4)  Response  

a.  Twin primes 

b.  Prime 

c.  Composite 

d.  Coprime 

Question number: 77
» Mathematics » Multiples and Factors
Question
The prime factors of 36 are:
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

