NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 907  915 of 2000
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Question number: 907
» Mathematics » Surface Areas & Volumes
Question
Two cylinders of the same volume have their heights in the ratio 4: 3. Find the ratio of their radii.
Choices
Choice (4)  Response  

a. 
 
b.  2: 3  
c.  3: 2  
d. 

Passage
Question number: 908 (1 of 6 Based on Passage) Show Passage
Question
What is the percentage decrease in temperatures between 15: 00 hrs. and 17: 00 hrs. ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 909 (2 of 6 Based on Passage) Show Passage
Question
The temperature of patient at 21: 00 hrs. is
Choices
Choice (4)  Response  

a.  101  
b.  99  
c.  98  
d.  100 
Question number: 910 (3 of 6 Based on Passage) Show Passage
Question
At what time is the temperature highest?
Choices
Choice (4)  Response  

a.  15: 00 hrs  
b.  11: 00 hrs  
c.  17: 00 hrs  
d.  19: 00 hrs 
Question number: 911 (4 of 6 Based on Passage) Show Passage
Question
What is the percentage increase in temperatures between 19: 00 hrs. and 21: 00 hrs. ?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 912 (5 of 6 Based on Passage) Show Passage
Question
What is the average temperature of patient between 17: 00,19: 00,21: 00 hrs. ?
Choices
Choice (4)  Response  

a.  101  
b.  103  
c.  99  
d.  100 
Question number: 913 (6 of 6 Based on Passage) Show Passage
Question
At what time is the temperature lowest?
Choices
Choice (4)  Response  

a.  21: 00 hrs  
b.  9: 00 hrs  
c.  19: 00 hrs  
d.  13: 00 hrs 
Question number: 914
» Mathematics » Heron's Formula
Question
One side of an equilateral triangle is 6 cm. Its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 915
» Mathematics » Surface Areas & Volumes
Question
A top is of the shape of a cone over a hemisphere. The radius of the hemisphere is 10 cm. The total height of the top is 34 cm. The total area of top is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  Question does not provide sufficient data or is vague 