NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 847  853 of 2000
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Question number: 847
» Mathematics » Surface Areas & Volumes
Question
The base radius of a cylinder is times its height. The cost of painting its CSA at is Rs. 71.28. The volume of the liquid is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 848
» Chemistry » The Nature of Matter
Question
Which of the following is not colloid?
Choices
Choice (4)  Response  

a.  Ice cream  
b.  Blood  
c.  Milk  
d.  Sugar solution 
Question number: 849
Question
The mean of 20 observations is 12.5. By error, one observation was noted as 15 instead of 15. Then the correct mean is
Choices
Choice (4)  Response  

a.  11.75  
b.  11  
c.  14  
d.  None of the above 
Question number: 850
» Mathematics » Heron's Formula
Question
The perimeter of a triangular field is 576 m and ratio of the sides is 6: 8: 10. Then the area of the field is
Choices
Choice (4)  Response  

a.  13824 sq m  
b.  18324 sq m  
c.  12724 sq m  
d.  14831 sq m 
Question number: 851
» Mathematics » Heron's Formula
Question
The perimeter of a triangular field is 196 m and ratio of the sides is 3: 5: 6. Then the area of the field is
Choices
Choice (4)  Response  

a.  733.36 sq m  
b.  1466.73 sq m  
c.  816.31 sq m  
d.  1512.56 sq m 
Question number: 852
Question
The factors of are:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 853
» Biology » Fundamentals Unit of Life
Question
Fluid Mosaic Model was given by
Choices
Choice (4)  Response  

a.  Singer and Nicolson  
b.  Danielli and Davson  
c.  Butschli  
d.  Robertson 