NSTSE (National Science Talent Search Exam Unified Council) Class 7: Questions 910  917 of 1732
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Question number: 910
Question
Why we wear clothes made of wool in winters?
Choices
Choice (4)  Response  

a.  Because wool is very cheap. 

b.  Because wool is a good insulator of heat. 

c.  Because Woolen garments prevents the outside cold temperature from reaching the body and also prevents the body temperature from going outside by conduction. 

d.  All of the above 

Question number: 911
» Mathematics » Rational Numbers
Question
Addition of rational numbers does not satisfy which of the following property?
Choices
Choice (4)  Response  

a.  Commutative 

b.  Closure 

c.  Associative 

d.  None of the above 

Question number: 912
» Mathematics » Lines and Angles
Question
In vertex is
Choices
Choice (4)  Response  

a.  Q 

b.  P 

c.  R 

d.  None of the above 

Question number: 913
» Mathematics » Exponents and Powers
Question
The value of is
Choices
Choice (4)  Response  

a.  81 

b.  6561 

c.  243 

d.  729 

Question number: 914
» Mathematics » Lines and Angles
Question
The fixed end point of the is
Choices
Choice (4)  Response  

a.  No fixed end point 

b.  Point B 

c.  Point A 

d.  Question does not provide sufficient data or is vague 

Question number: 915
» Mathematics » Perimeter and Area
Question
A sector of cut out from a circle has an area of sq cm. The radius of the circle is
Choices
Choice (4)  Response  

a.  2.44 cm 

b.  2.25 cm 

c.  1.44 cm 

d.  3 cm 

Question number: 916
» Mathematics » Symmetry
Question
Which of the alphabet has many lines of symmetry?
Choices
Choice (4)  Response  

a.  O 

b.  J 

c.  Q 

d.  T 

Question number: 917
» Mathematics » Lines and Angles
Question
The angle made by a straight line is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 

