MathematicsPlaying With Numbers (NSTSE (National Level Science Talent Search Examination) Class 6): Questions 76  82 of 83
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Question number: 76
» Mathematics » Playing With Numbers
Question
The greatest number of 5digits exactly divisible by 9, 12, 16 and 30 is
Choices
Choice (4)  Response  

a.  99603 

b.  99306 

c.  99364 

d.  99360 

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 
