MathematicsPlaying With Numbers (NSTSE (National Science Talent Search Exam Unified Council) Class 6): Questions 32  41 of 83
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Question number: 32
» Mathematics » Playing With Numbers
Question
The smallest number which when divided by 2, 8, 12, 15 gives the remainder 5 is
Choices
Choice (4)  Response  

a.  123 

b.  67 

c.  125 

d.  120 

Question number: 33
» Mathematics » Playing With Numbers
Question
The sum of the first ten multiples of 5 is
Choices
Choice (4)  Response  

a.  257 

b.  225 

c.  273 

d.  275 

Question number: 34
» Mathematics » Playing With Numbers
Question
HCF of 14 and 28 is
Choices
Choice (4)  Response  

a.  72 

b.  14 

c.  60 

d.  30 

Question number: 35
» Mathematics » Playing With Numbers
Question
The least number which when decreased by 6 is exactly divisible by 6, 18, 26, 36 and 14 is
Choices
Choice (4)  Response  

a.  3223 

b.  3232 

c.  3282 

d.  3228 

Question number: 36
» Mathematics » Playing With Numbers
Question
Example of prime numbers is
Choices
Choice (4)  Response  

a.  9, 19 

b.  7, 11 

c.  25, 14 

d.  18, 16 

Question number: 37
» Mathematics » Playing With Numbers
Question
The sum of the prime numbers between 110 and 125 is
Choices
Choice (4)  Response  

a.  135 

b.  113 

c.  1134 

d.  1044 

Question number: 38
» Mathematics » Playing With Numbers
Question
Which of the following number is divisible by 13?
Choices
Choice (4)  Response  

a.  512630 

b.  51332 

c.  514630 

d.  513630 

Question number: 39
» Mathematics » Playing With Numbers
Question
The greatest number that will divide 17, 42, 67 leaving remainder 1, 2 and 3 respectively is
Choices
Choice (4)  Response  

a.  8 

b.  40 

c.  20 

d.  16 

Question number: 40
» Mathematics » Playing With Numbers
Question
When a number can be divided up evenly it is
Choices
Choice (4)  Response  

a.  A composite number 

b.  Coprime number 

c.  An odd number 

d.  All of the above 

Question number: 41
» Mathematics » Playing With Numbers
Question
Choose the prime numbers from the following pairs.
Choices
Choice (4)  Response  

a.  5 and 81 

b.  36 and 38 

c.  7 and 63 

d.  13 and 3 
