MathematicsBasic Geometry (NTSE Stage2 (NationalLevel) ScholasticAptitude & Language Comprehension): Questions 12  18 of 21
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Question number: 12
» Mathematics » Basic Geometry
Question
The angle between the diagonal and side bisector of a hexagon at center is
Choices
Choice (4)  Response  

a.  120° 

b.  30° 

c.  90° 

d.  60° 

Question number: 13
» Mathematics » Basic Geometry
Question
If the ratio of the interior angles of a triangle is 2: 4: 9, then the difference between one of the exterior angles of the triangle is
Choices
Choice (4)  Response  

a.  20° 

b.  50° 

c.  60° 

d.  44° 

Question number: 14
» Mathematics » Basic Geometry
Question
ABCD is a trapezium in which AB CD, if AB = 7 cm, DC = 3 cm and the area of the trapezium is 18 cm^{2}, then the area of BCD is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d.  6 

Question number: 15
» Mathematics » Basic Geometry
Question
Volume of a cube is. The length of its diagonal is
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 16
» Mathematics » Basic Geometry
Question
An angle is onefourth of its supplementary angle. What is the measure of the angle ?
Choices
Choice (4)  Response  

a.  40° 

b.  45° 

c.  36° 

d.  52° 

Question number: 17
» Mathematics » Basic Geometry
Question
In a quadrilateral ABCD, if AB CD, ∠D = 2∠B, AD = b and CD = a, then the side AB is of length
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 18
» Mathematics » Basic Geometry
Question
A horse is tied to a post by a rope. If the horse moves along a circular path always keeping the rope tight and describes 88 m when it has traced out 72° at the center, then the length of the rope is
Choices
Choice (4)  Response  

a.  80 m 

b.  72 m 

c.  85 m 

d.  70 m 
