NSTSE (National Science Talent Search Exam Unified Council) Class 5: Questions 407  413 of 1242
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Question number: 407
» Mathematics » Factors and Multiples
Question
Which of the following numbers which have no common factor except 1?
Choices
Choice (4)  Response  

a.  Twin primes 

b.  Coprimes 

c.  Composite numbers 

d.  None of the above 

Question number: 408
» Mathematics » Factors and Multiples
Question
How many prime numbers are there from 1 to 100?
Choices
Choice (4)  Response  

a.  27 

b.  20 

c.  15 

d.  25 

Question number: 409
» Mathematics » Factors and Multiples
Question
Study the numbers given in the box.
Identify the number that is not a divisor of the given numbers.
Choices
Choice (4)  Response  

a.  39 

b.  14 

c.  26 

d.  13 

Question number: 410
» Mathematics » Fractions
Question
Observe the given figures.
What fraction does the unshaded part in the figure represent?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 411
» Mathematics » Factors and Multiples
Question
How many times the H. C. F. of and 77 is their L. C. M. ?
Choices
Choice (4)  Response  

a.  44 

b.  3630 

c.  11 

d.  24 

Question number: 412
» Mathematics » Factors and Multiples
Question
Which of the following are multiples of 2?
Choices
Choice (4)  Response  

a.  Composite number 

b.  Odd number 

c.  Prime number 

d.  Even number 

Question number: 413
» Mathematics » Fractions
Question
Observe the given figures.
What fraction does the shaded part in the figure represent?
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

