NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 1137  1142 of 1732
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Question number: 1137
Question
Which one is not an oscillatory motion:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c.  Motion of the hammer of an electric bell. 

d.  None of the above 

Question number: 1138
» Mathematics » Triangle and Properties
Question
Which of the following always lie inside the triangle?
Choices
Choice (4)  Response  

a.  Orthocenter 

b.  Circumcenter 

c.  Incenter 

d.  None of the above 

Question number: 1139
» Mathematics » Triangle and Properties
Question
The Circumcenter of a triangle is the point where
Choices
Choice (4)  Response  

a.  The altitudes meet 

b.  The medians meet 

c.  The right bisectors of the sides of the triangle meet 

d.  The bisectors of the angles of the triangle meet 

Question number: 1140
Question
The arithmetic mean of first seven odd numbers is
Choices
Choice (4)  Response  

a.  5 

b.  11 

c.  14 

d.  7 

Question number: 1141
» Mathematics » Triangle and Properties
Question
Two sides of a triangle are 8 and 11 units. Which of the following length can be the length of the third side?
Choices
Choice (4)  Response  

a.  14 cm 

b.  3 cm 

c.  19 cm 

d.  21 cm 

Question number: 1142
» Mathematics » Integers
Question
If positive sign precedes a bracket the sign of the terms inside the bracket will ________ when the bracket is removed.
Choices
Choice (4)  Response  

a.  Change 

b.  Be 0 

c.  Not change 

d.  Question does not provide sufficient data or is vague 
