NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 1097  1103 of 2000
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Question number: 1097
Question
The mean of and is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 1098
» Mathematics » Number Systems
Question
The two irrational numbers between and are
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 1099
» Mathematics » Surface Areas & Volumes
Question
The area of the base of a cone is sq cm. Its height is 12 cm. Then its total surface area is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 1100
» Chemistry » The Nature of Matter
Question
The presence of colloidal particles of dust in air imparts blue colour to the sky. This is due to ________.
Choices
Choice (4)  Response  

a.  Reflection of light  
b.  Absorption of light  
c.  Scattering of light  
d.  Question does not provide sufficient data or is vague 
Question number: 1101
Question
If , then is:
Choices
Choice (4)  Response  

a. 
 
b.  3pqr  
c. 
 
d. 

Question number: 1102
» Mathematics » Surface Areas & Volumes
Question
A circus tent is in the form of a cone over a cylinder. The diameter of the base is 14 m, the height of cylindrical part is 8 m and the total height of the tent is 32 m. The canvas required for the tent is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 1103
» Mathematics » Surface Areas & Volumes
Question
The cost of painting the TSA of cone at is Rs. 17.6. The volume of the cone its slant height being 25 cm is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
