NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 514  521 of 2000
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Question number: 514
» Mathematics » Surface Areas & Volumes
Question
The radius of a cylinder whose internal surface area is 1056 and height 24 cm is
Choices
Choice (4)  Response  

a.  7 cm  
b.  28 cm  
c.  14 cm  
d.  3.5 cm 
Question number: 515
» Mathematics » Heron's Formula
Question
One side of an equilateral triangle is 16 cm. Its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 516
Question
The probability that in a family of 3 children, there will be exactly one girl is
Choices
Choice (4)  Response  

a. 
 
b.  2  
c. 
 
d. 

Question number: 517
» Mathematics » Number Systems
Question
The rational number
Choices
Choice (4)  Response  

a.  Has a positive numerator  
b.  Has a negative numerator  
c.  Has neither a positive numerator nor a negative numerator  
d.  Has either a positive numerator or a negative numerator 
Question number: 518
Question
Then the excluded number is
Choices
Choice (4)  Response  

a.  42  
b.  38  
c.  62  
d.  None of the above 
Question number: 519
» Mathematics » Heron's Formula
Question
If the altitude of an equilateral triangle is cm, its area is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 520
Question
The median of the following data 38,25,16,52,47,32,68,8, 11,74 is
Choices
Choice (4)  Response  

a.  35  
b.  38  
c.  47  
d.  32 
Question number: 521
Question
The product of and is equal to the quotient obtained when is divided by ________.
Choices
Choice (4)  Response  

a.  1  
b. 
 
c.  0  
d. 
