NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 944  950 of 2000
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Question number: 944
» Mathematics » Number Systems
Question
The given rational numbers are . If these numbers are arranged in the ascending order or descending order, then the middle number is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  None of the above 

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 
