MathematicsPlaying With Numbers (NSTSE (National Level Science Talent Search Examination) Class 6): Questions 59  66 of 83
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Question number: 59
» Mathematics » Playing With Numbers
Question
LCM of the two numbers=
Choices
Choice (4)  Response  

a.  Product of numbers their HCF 

b.  Product of numbers 

c.  Product of numbers their HCF 

d.  All of the above 

Question number: 60
» Mathematics » Playing With Numbers
Question
The least number of 5 digits which is exactly divisible by 15 is
Choices
Choice (4)  Response  

a.  15679 

b.  15000 

c.  15355 

d.  15333 

Question number: 61
» Mathematics » Playing With Numbers
Question
Four bells ring at intervals of 4, 5, 6, 7 and 8 seconds respectively. All the bells ring together after ________ seconds.
Choices
Choice (4)  Response  

a.  804 

b.  560 

c.  800 

d.  840 

Question number: 62
» Mathematics » Playing With Numbers
Question
Write the least 2digit number that has 2, 4, 8 and 16 as factors?
Choices
Choice (4)  Response  

a.  40 

b.  36 

c.  32 

d.  10 

Question number: 63
» Mathematics » Playing With Numbers
Question
What least value should be given to * so that the number 304 * 10 is divisible by 15?
Choices
Choice (4)  Response  

a.  3 

b.  5 

c.  9 

d.  7 

Question number: 64
» Mathematics » Playing With Numbers
Question
Successor of every odd number is
Choices
Choice (4)  Response  

a.  Even 

b.  Prime 

c.  Odd 

d.  Question does not provide sufficient data or is vague 

Question number: 65
» Mathematics » Playing With Numbers
Question
The HCF and LCM of two numbers is 16 and 182 respectively. If one of the numbers is 32, the other one is
Choices
Choice (4)  Response  

a.  83 

b.  93 

c.  45 

d.  91 

Question number: 66
» Mathematics » Playing With Numbers
Question
Which of the following pair are coprime numbers?
Choices
Choice (4)  Response  

a.  16 & 24 

b.  12 & 21 

c.  6 & 25 

d.  Question does not provide sufficient data or is vague 
