Surface Area and Volumes (IMO Mathematics Olympiad Class 9): Questions 21  25 of 104
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Question number: 21
» Surface Area and Volumes
Question
The area of a quadrilateral ABCD, in which , is an equilateral triangles of side 24 cm and is________.
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 22
» Surface Area and Volumes
Question
The parallel sides of a trapezium are 60 cm and 77 cm and nonparallel sides are 26 cm and 26 cm. The approximate area of trapezium is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 23
» Surface Area and Volumes
Question
In the given figure, the area of shaded portion is ________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 24
» Surface Area and Volumes
Question
The ratio between the length and the breadth of a rectangular park is . If a man cycling along the boundary of the park at the speed of 15 km/hr completes one round in 12 minutes, then the area of the park is________
Choices
Choice (4)  Response  

a. 


b. 


c. 


d. 


Question number: 25
» Surface Area and Volumes
Question
The number of spherical balls each 4 cm in diameter be made out of a rectangular solid is ________
Choices
Choice (4)  Response  

a.  107 

b.  109 

c.  102 

d.  105 
