NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 945  953 of 2000
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Question number: 945
Question
The mean of a data is ‘m’. If each observation is multiplied by 5 and then 2 is added to each result, then the mean of the new observations so obtained is
Choices
Choice (4)  Response  

a.  5m + 2  
b.  m  
c.  5m  
d.  m + 2 
Question number: 946
Question
Factorize :
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 947
» Mathematics » Number Systems
Question
If then is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 948
Question
Which of the following expression is a polynomial?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 949
» Mathematics » Number Systems
Question
The value of b if and is
Choices
Choice (4)  Response  

a.  14  
b.  29  
c.  23  
d.  12 
Question number: 950
» Chemistry » The Nature of Matter
Question
Colloidal solutions containing colloidal particles show the property of it due to ________.
Choices
Choice (4)  Response  

a.  Large size  
b.  Small size  
c.  High ratio of electrical charge to the mass  
d.  High charge density 
Question number: 951
» Mathematics » Number Systems
Question
A rational number equivalent to is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 952
» Mathematics » Surface Areas & Volumes
Question
The ratio of base radius and height of a cone is 8: 6. If the cost of smoothening the CSA at is Rs. . Then volume of liquid is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 953
» Mathematics » Number Systems
Question
Express as rational number.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
