NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 479  486 of 2000
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Question number: 479
Question
The runs scored by Sachin in 7 test matches are 133,140,138,150,156,148 and 143 respectively. Find his mean.
Choices
Choice (4)  Response  

a.  144 

b.  133 

c.  156 

d.  148 

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 
