MathematicsMultiples and Factors (NSTSE (National Science Talent Search Exam Unified Council) Class 4): Questions 48  58 of 99
Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1791 questions. Access all new questions we will add tracking exampattern and syllabus changes. View Sample Explanation or View Features.
Rs. 550.00 or
Question number: 48
» Mathematics » Multiples and Factors
Question
LCM of 12 and 20 is:
Choices
Choice (4)  Response  

a.  40 

b.  48 

c.  72 

d.  60 

Question number: 49
» Mathematics » Multiples and Factors
Question
The sum of least prime number and the least composite number is:
Choices
Choice (4)  Response  

a.  7 

b.  9 

c.  6 

d.  3 

Question number: 50
» Mathematics » Multiples and Factors
Question
The number 36 has ________.
Choices
Choice (4)  Response  

a.  5 factors 

b.  9 factors 

c.  7 factors 

d.  3 factors 

Question number: 51
» Mathematics » Multiples and Factors
Question
LCM of 8 and 12 is:
Choices
Choice (4)  Response  

a.  72 

b.  32 

c.  24 

d.  42 

Question number: 52
» Mathematics » Multiples and Factors
Question
What is the difference between the least common multiple and least common factor of the numbers 15 and 20 (except 1)?
Choices
Choice (4)  Response  

a.  40 

b.  60 

c.  55 

d.  45 

Question number: 53
» Mathematics » Multiples and Factors
Question
________ is a factor of every number.
Choices
Choice (4)  Response  

a.  4 

b.  3 

c.  0 

d.  1 

Question number: 54
» Mathematics » Multiples and Factors
Question
________ should be added to 319 to make it divisible by 3.
Choices
Choice (4)  Response  

a.  3 

b.  2 

c.  0 

d.  1 

Question number: 55
» Mathematics » Multiples and Factors
Question
A number which when divided by 2, leaves one as remainder, is ________ number.
Choices
Choice (4)  Response  

a.  Prime 

b.  Odd 

c.  Twin prime 

d.  Even 

Question number: 56
» Mathematics » Multiples and Factors
Question
Write the least 2digit number that has as factors?
Choices
Choice (4)  Response  

a.  56 

b.  48 

c.  34 

d.  50 

Question number: 57
» Mathematics » Multiples and Factors
Question
Numbers which have only two factors are called ________ numbers.
Choices
Choice (4)  Response  

a.  Twin prime 

b.  Prime 

c.  Composite 

d.  Even 

Question number: 58
» Mathematics » Multiples and Factors
Question
________ should be added to 345 to make it divisible by 10.
Choices
Choice (4)  Response  

a.  3 

b.  5 

c.  0 

d.  6 
