NSTSE (National Science Talent Search Exam Unified Council) Class 8: Questions 15  21 of 2028
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Question number: 15
» Mathematics » Understanding Quadrilaterals
Question
In a ABC, M and N are midpoints of AB and AC, MN is produced to O such that MN = MO, then NOCB is:
Choices
Choice (4)  Response  

a.  Square  
b.  Parallelogram  
c.  Rectangle  
d.  Rhombus 
Question number: 16
» Mathematics » Linear Equations in One Variable
Question
Sum of two numbers is 45 and their difference is 19. Then the numbers are:
Choices
Choice (4)  Response  

a.  20,25  
b.  32,13  
c.  26,19  
d.  31,14 
Question number: 17
» Mathematics » Understanding Quadrilaterals
Question
A diagonal of a rectangle is inclined to one side of the rectangle at . The acute angle between the diagonals is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 18
» Mathematics » Understanding Quadrilaterals
Question
Choose the correct statement.
Choices
Choice (4)  Response  

a.  Every quadrilateral is either a trapezium or a parallelogram or a kite.  
b.  If the diagonals of a quadrilateral intersect at right angles, it is not necessarily a rhombus.  
c.  The diagonals of a parallelogram are equal  
d.  The diagonals of a rectangle are perpendicular to each other. 
Question number: 19
» Mathematics » Rational Numbers
Question
The value of is:
Choices
Choice (4)  Response  

a. 
 
b. 
 
c. 
 
d. 

Question number: 20
» Mathematics » Understanding Quadrilaterals
Question
If AB and CD are two perpendicular diameters of a circle, then ACBD is a:
Choices
Choice (4)  Response  

a.  Trapezium  
b.  Rectangle  
c.  Square  
d.  Rhombus but not square 
Question number: 21
» Mathematics » Rational Numbers
Question
A rational number can be expressed as a terminating decimal if the denominator has factors:
Choices
Choice (4)  Response  

a.  3 or 5  
b.  2 or 5  
c.  2,3 or 5  
d.  None of the above 