MathematicsCircles [NSTSE (National Science Talent Search Exam Unified Council) Class 10]: Questions 1  4 of 43
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Question number: 1
» Mathematics » Circles
Question
The area of triangle with side ‘a’ is , where a = 6 cm. Then its altitude is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 2
» Mathematics » Circles
Question
In the given figure and then is ________.
Choices
Choice (4)  Response  

a.  4: 9  
b.  9: 4  
c.  16: 81  
d.  81: 16 
Question number: 3
» Mathematics » Circles
Question
If the ratios of areas of two similar triangles are 9: 16 then the ratios of their corresponding angle – bisector segments is ________.
Choices
Choice (4)  Response  

a.  3: 4  
b.  9: 16  
c.  4: 3  
d.  16: 9 
Question number: 4
» Mathematics » Circles
Question
The area of two similar triangles are 25 , 49 . Altitude of first one is 5 cm. Then altitude of second in cm is
Choices
Choice (4)  Response  

a.  7  
b.  5  
c.  9  
d.  6 