NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 470  476 of 2000
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Question number: 470
» Mathematics » Heron's Formula
Question
The base of an isosceles triangle is 24 cm and its perimeter 64 cm. Then its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 471
» Mathematics » Surface Areas & Volumes
Question
The lateral surface area of a right circular cylinder with base diameter 28 cm and height 12 cm is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 472
» Mathematics » Number Systems
Question
A set of real numbers does not satisfy the property of
Choices
Choice (4)  Response  

a.  Multiplicative identity  
b.  Multiplicative inverse  
c.  Additive inverse  
d.  None of the above 
Question number: 473
Question
The number of independent measurements required to construct a triangle is
Choices
Choice (4)  Response  

a.  5  
b.  3  
c.  2  
d.  4 
Question number: 474
Question
If the two sides of a right angled triangle are equal and the square of the hypotenuse is 162 cm then the length of each side is
Choices
Choice (4)  Response  

a.  cm  
b.  18 cm  
c.  3 cm  
d.  9 cm 
Question number: 475
» Mathematics » Surface Areas & Volumes
Question
The diameter of a copper sphere is 36 cm. It is beaten and drawn into a wire of diameter 0.6 cm. The length of wire is ________.
Choices
Choice (4)  Response  

a.  21600 cm  
b.  43200 cm  
c.  32400 cm  
d.  86400 cm 
Question number: 476
Question
The product of and is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 