MathematicsMultiples and Factors (NSTSE Class 4): Questions 73  82 of 99
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1166 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: 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. 

Question number: 78
» Mathematics » Multiples and Factors
Question
The greatest prime number less than 240 is:
Choices
Choice (4)  Response  

a.  233  
b.  237  
c.  239  
d.  241 
Question number: 79
» Mathematics » Multiples and Factors
Question
A number is divisible by 9, if the sum of its digits is divisible by:
Choices
Choice (4)  Response  

a.  9  
b.  0  
c.  7  
d.  Question does not provide sufficient data or is vague 
Question number: 80
» Mathematics » Multiples and Factors
Question
LCM of 12, 18 is:
Choices
Choice (4)  Response  

a.  72  
b.  36  
c.  54  
d.  48 
Question number: 81
» Mathematics » Multiples and Factors
Question
________ is composite number.
Choices
Choice (4)  Response  

a.  23  
b.  19  
c.  12  
d.  17 
Question number: 82
» Mathematics » Multiples and Factors
Question
The number 10 has 4 factors . The table below lists the number of factors for some numbers. (Model Test Paper)
Number

Number of factors

11

2

13

2

15

4

17

2

19

2 
From this we can say that the number of prime numbers between 10 and 20 is:
Choices
Choice (4)  Response  

a.  4  
b.  Can’t say  
c.  0  
d.  2 