MathematicsPlaying With Numbers (NSTSE (National Science Talent Search Exam Unified Council) Class 6): Questions 77  83 of 83
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Question number: 77
» Mathematics » Playing With Numbers
Question
The factor of the number shown on the spike abacus is:
Choices
Choice (4)  Response  

a.  7 

b.  6 

c.  8 

d.  5 

Question number: 78
» Mathematics » Playing With Numbers
Question
Prime factors of 147 are
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  All of the above 

Question number: 79
» Mathematics » Playing With Numbers
Question
A number is always divisible by 45 if
Choices
Choice (4)  Response  

a.  It is divisible by both 5 and 9 

b.  It is divisible by both 4 and 45 

c.  It is divisible by both 9 and 3 

d.  All of the above 

Question number: 80
» Mathematics » Playing With Numbers
Question
The prime factors of 36 are
Choices
Choice (4)  Response  

a.  2 

b.  2 

c.  2 

d.  2 

Question number: 81
» Mathematics » Playing With Numbers
Question
The smallest number which when divided by 25,26,48 and 30 and leaves a remainder of 19,20,42 and 24 respectively is
Choices
Choice (4)  Response  

a.  15596 

b.  15549 

c.  15594 

d.  15555 

Question number: 82
» Mathematics » Playing With Numbers
Question
Find a number which is a multiple of all the numbers between 5 to 10?
Choices
Choice (4)  Response  

a.  3022 

b.  1260 

c.  3024 

d.  1140 

Question number: 83
» Mathematics » Playing With Numbers
Question
Every number is a________ of itself.
Choices
Choice (4)  Response  

a.  Even 

b.  Prime 

c.  Factor, 

d.  All of the above 
