Mathematics [NSTSE (National Science Talent Search Exam Unified Council) Class 9]: Questions 611  617 of 989
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Question number: 611
» Mathematics » Surface Areas & Volumes
Question
A hemispherical bowl is made of steel of 0.5 cm thickness. The inner radius of the bowl is 18 cm. The volume of steel used is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 612
» Mathematics » Number Systems
Question
The product of a rational number and its reciprocal is
Choices
Choice (4)  Response  

a.  0  
b.  1  
c.  1  
d.  All of the above 
Question number: 613
» Mathematics » Linear Equations in Two Variables
Question
The equation of xaxis is ________.
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  All of the above 
Question number: 614
» Mathematics » Circles
Question
A chord of a circle is 12 cm in length and its distance from the center is 8 cm. Find the length of the chord of the same circle which is at a distance of 6 cm from the center.
Choices
Choice (4)  Response  

a.  16 cm  
b.  24 cm  
c.  18 cm  
d.  30 cm 
Question number: 615
» Mathematics » Surface Areas & Volumes
Question
A cuboidal metal of dimensions was melted and cast into a cylinder of height 28 cm. Its radius is ________.
Choices
Choice (4)  Response  

a.  15 cm  
b.  11 cm  
c.  7.5 cm  
d.  Question does not provide sufficient data or is vague 
Question number: 616
» Mathematics » Probability
Question
From a normal pack of cards, a card is drawn at random. The probability of getting a queen or a king is
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d.  None of the above 
Question number: 617
» Mathematics » Polynomials
Question
is having
Choices
Choice (4)  Response  

a.  6 factors  
b.  8 factors  
c.  4 factors  
d.  Question does not provide sufficient data or is vague 