NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 480  488 of 2000
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Question number: 480
Question
The runs scored by Mahi in 5 test matches are 150,163,158,160 and 164 respectively. Find his mean.
Choices
Choice (4)  Response  

a.  164  
b.  158  
c.  150  
d.  159 
Question number: 481
Question
Factors of
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 482
Question
The triangle formed by and is
Choices
Choice (4)  Response  

a.  An obtuse angle triangle  
b.  A right angled triangle  
c.  An acute angle triangle  
d.  None of the above 
Question number: 483
» Mathematics » Number Systems
Question
The set of all irrational numbers is closed for
Choices
Choice (4)  Response  

a.  Multiplication  
b.  Addition  
c.  Division  
d.  None of the above 
Question number: 484
» Mathematics » Surface Areas & Volumes
Question
The largest sphere is cut off from a cube of side 5 cm. The volume of the sphere will be:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 485
» Biology » Fundamentals Unit of Life
Question
DNA is present in
Choices
Choice (4)  Response  

a.  Cytoplasm  
b.  Nucleus  
c.  Mitochondria  
d.  Both b. and c. are correct 
Question number: 486
» Mathematics » Number Systems
Question
If A: The quotient of two integers is always a rational number and
R: is not rational.
Then which of the following statements is true?
Choices
Choice (4)  Response  

a.  A and R are false  
b.  A is true and R is correct explanation of A  
c.  A is false and R is correct explanation of A  
d.  A is true and R is false 
Question number: 487
Question
The mean of first five multiples of 5 is
Choices
Choice (4)  Response  

a.  5  
b.  15  
c.  25  
d.  20 
Question number: 488
Question
The probability that a consonant selected at random in English language is a ‘m’ is
Choices
Choice (4)  Response  

a.  
b. 
 
c. 
 
d.  All of the above 