NSTSE (National Science Talent Search Exam Unified Council) Class 9: Questions 659  664 of 2000
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Question number: 659
» Mathematics » Number Systems
Question
The distance between and is
Choices
Choice (4)  Response  

a.  8 

b.  Can’t say 

c.  0 

d.  All of the above 

Question number: 660
» Chemistry » The Nature of Matter
Question
The colloidal solutions are ________
Choices
Choice (4)  Response  

a.  Suspensions of one phase in another 

b.  Two phase systems 

c.  Contain only water soluble particles 

d.  Are formed by solids in liquids. 

Question number: 661
Question
Mean of a set of observation is the value which
Choices
Choice (4)  Response  

a.  Occurs most frequently 

b.  Is a representative of whole group 

c.  Divides observations into two equal parts 

d.  Is the sum of observations 

Question number: 662
Question
If in a , and then is
Choices
Choice (4)  Response  

a.  An isosceles triangle 

b.  A right angled triangle 

c.  An isosceles right angled triangle 

d.  An equilateral triangle 

Question number: 663
» Mathematics » Surface Areas & Volumes
Question
The height of a cone is 21 cm. A small cone is cut off at the top by a plane parallel to the base. If its volume is the volume of cone, the height at which the section is made is ________.
Choices
Choice (4)  Response  

a.  16.52 cm 

b.  8.86 cm 

c.  10.02 cm 

d.  10.53 cm 

Question number: 664
» Mathematics » Linear Equations in Two Variables
Question
Which of the following graph represents?
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 
